Home / 39,931.80-59,897.70-25,157.40

Finding the Fourth Proportional to 39,931.80, 59,897.70 and 25,157.40

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Solution

The fourth proportional to 39,931.80, 59,897.70 and 25,157.40 is: 37,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,931.80 : 59,897.70 = 25,157.40 : x
  2. Step 2: Convert to fraction form
    39,931.80/59,897.70 = 25,157.40/x
  3. Step 3: Cross multiply
    39,931.80x = 59,897.70 × 25,157.40
  4. Step 4: Simplify right side
    39,931.80x = 1,506,870,397.98
  5. Step 5: Solve for x
    x = 1,506,870,397.98/39,931.80
  6. Step 6: Final answer
    x = 37,736.10

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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.