Home / 39,689.40-59,521.80-15,995.99

Finding the Fourth Proportional to 39,689.40, 59,521.80 and 15,995.99

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Solution

The fourth proportional to 39,689.40, 59,521.80 and 15,995.99 is: 23,989.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,689.40 : 59,521.80 = 15,995.99 : x
  2. Step 2: Convert to fraction form
    39,689.40/59,521.80 = 15,995.99/x
  3. Step 3: Cross multiply
    39,689.40x = 59,521.80 × 15,995.99
  4. Step 4: Simplify right side
    39,689.40x = 952,109,819.97
  5. Step 5: Solve for x
    x = 952,109,819.97/39,689.40
  6. Step 6: Final answer
    x = 23,989.02

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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.