Home / 40,747.80-61,121.70-25,001.40

Finding the Fourth Proportional to 40,747.80, 61,121.70 and 25,001.40

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Solution

The fourth proportional to 40,747.80, 61,121.70 and 25,001.40 is: 37,502.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,747.80 : 61,121.70 = 25,001.40 : x
  2. Step 2: Convert to fraction form
    40,747.80/61,121.70 = 25,001.40/x
  3. Step 3: Cross multiply
    40,747.80x = 61,121.70 × 25,001.40
  4. Step 4: Simplify right side
    40,747.80x = 1,528,128,070.38
  5. Step 5: Solve for x
    x = 1,528,128,070.38/40,747.80
  6. Step 6: Final answer
    x = 37,502.10

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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.