Home / 42,699.61-63,963.73-39,211.80

Finding the Fourth Proportional to 42,699.61, 63,963.73 and 39,211.80

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Solution

The fourth proportional to 42,699.61, 63,963.73 and 39,211.80 is: 58,739.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,699.61 : 63,963.73 = 39,211.80 : x
  2. Step 2: Convert to fraction form
    42,699.61/63,963.73 = 39,211.80/x
  3. Step 3: Cross multiply
    42,699.61x = 63,963.73 × 39,211.80
  4. Step 4: Simplify right side
    42,699.61x = 2,508,132,988.01
  5. Step 5: Solve for x
    x = 2,508,132,988.01/42,699.61
  6. Step 6: Final answer
    x = 58,739.01

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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.