Home / 31,350.87-47,001.69-21,460.17

Finding the Fourth Proportional to 31,350.87, 47,001.69 and 21,460.17

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Solution

The fourth proportional to 31,350.87, 47,001.69 and 21,460.17 is: 32,173.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,350.87 : 47,001.69 = 21,460.17 : x
  2. Step 2: Convert to fraction form
    31,350.87/47,001.69 = 21,460.17/x
  3. Step 3: Cross multiply
    31,350.87x = 47,001.69 × 21,460.17
  4. Step 4: Simplify right side
    31,350.87x = 1,008,664,257.69
  5. Step 5: Solve for x
    x = 1,008,664,257.69/31,350.87
  6. Step 6: Final answer
    x = 32,173.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.