Home / 30,812,716.71-42,521,029.79-17,061,385.59

Finding the Fourth Proportional to 30,812,716.71, 42,521,029.79 and 17,061,385.59

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Solution

The fourth proportional to 30,812,716.71, 42,521,029.79 and 17,061,385.59 is: 23,544,424.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,812,716.71 : 42,521,029.79 = 17,061,385.59 : x
  2. Step 2: Convert to fraction form
    30,812,716.71/42,521,029.79 = 17,061,385.59/x
  3. Step 3: Cross multiply
    30,812,716.71x = 42,521,029.79 × 17,061,385.59
  4. Step 4: Simplify right side
    30,812,716.71x = 725,467,684,845,759.75
  5. Step 5: Solve for x
    x = 725,467,684,845,759.75/30,812,716.71
  6. Step 6: Final answer
    x = 23,544,424.59

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.