Home / 34,101.64-47,089.99-21,376.68

Finding the Fourth Proportional to 34,101.64, 47,089.99 and 21,376.68

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Solution

The fourth proportional to 34,101.64, 47,089.99 and 21,376.68 is: 29,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,101.64 : 47,089.99 = 21,376.68 : x
  2. Step 2: Convert to fraction form
    34,101.64/47,089.99 = 21,376.68/x
  3. Step 3: Cross multiply
    34,101.64x = 47,089.99 × 21,376.68
  4. Step 4: Simplify right side
    34,101.64x = 1,006,627,497.57
  5. Step 5: Solve for x
    x = 1,006,627,497.57/34,101.64
  6. Step 6: Final answer
    x = 29,518.45

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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.