Home / 39,685.80-59,516.82-15,985.74

Finding the Fourth Proportional to 39,685.80, 59,516.82 and 15,985.74

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Solution

The fourth proportional to 39,685.80, 59,516.82 and 15,985.74 is: 23,973.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,685.80 : 59,516.82 = 15,985.74 : x
  2. Step 2: Convert to fraction form
    39,685.80/59,516.82 = 15,985.74/x
  3. Step 3: Cross multiply
    39,685.80x = 59,516.82 × 15,985.74
  4. Step 4: Simplify right side
    39,685.80x = 951,420,410.15
  5. Step 5: Solve for x
    x = 951,420,410.15/39,685.80
  6. Step 6: Final answer
    x = 23,973.82

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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.