Home / 31,354.56-47,032.92-15,763.68

Finding the Fourth Proportional to 31,354.56, 47,032.92 and 15,763.68

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Solution

The fourth proportional to 31,354.56, 47,032.92 and 15,763.68 is: 23,646.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,354.56 : 47,032.92 = 15,763.68 : x
  2. Step 2: Convert to fraction form
    31,354.56/47,032.92 = 15,763.68/x
  3. Step 3: Cross multiply
    31,354.56x = 47,032.92 × 15,763.68
  4. Step 4: Simplify right side
    31,354.56x = 741,411,900.35
  5. Step 5: Solve for x
    x = 741,411,900.35/31,354.56
  6. Step 6: Final answer
    x = 23,646.06

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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.