Home / 40,960.56-61,345.50-39,839.16

Finding the Fourth Proportional to 40,960.56, 61,345.50 and 39,839.16

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Solution

The fourth proportional to 40,960.56, 61,345.50 and 39,839.16 is: 59,666.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,960.56 : 61,345.50 = 39,839.16 : x
  2. Step 2: Convert to fraction form
    40,960.56/61,345.50 = 39,839.16/x
  3. Step 3: Cross multiply
    40,960.56x = 61,345.50 × 39,839.16
  4. Step 4: Simplify right side
    40,960.56x = 2,443,953,189.78
  5. Step 5: Solve for x
    x = 2,443,953,189.78/40,960.56
  6. Step 6: Final answer
    x = 59,666.01

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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.