Home / 39,761.94-59,642.94-18,686.52

Finding the Fourth Proportional to 39,761.94, 59,642.94 and 18,686.52

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Solution

The fourth proportional to 39,761.94, 59,642.94 and 18,686.52 is: 28,029.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,761.94 : 59,642.94 = 18,686.52 : x
  2. Step 2: Convert to fraction form
    39,761.94/59,642.94 = 18,686.52/x
  3. Step 3: Cross multiply
    39,761.94x = 59,642.94 × 18,686.52
  4. Step 4: Simplify right side
    39,761.94x = 1,114,518,991.17
  5. Step 5: Solve for x
    x = 1,114,518,991.17/39,761.94
  6. Step 6: Final answer
    x = 28,029.79

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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.