Home / 42,963.52-59,315.58-28,085.44

Finding the Fourth Proportional to 42,963.52, 59,315.58 and 28,085.44

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Solution

The fourth proportional to 42,963.52, 59,315.58 and 28,085.44 is: 38,774.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,963.52 : 59,315.58 = 28,085.44 : x
  2. Step 2: Convert to fraction form
    42,963.52/59,315.58 = 28,085.44/x
  3. Step 3: Cross multiply
    42,963.52x = 59,315.58 × 28,085.44
  4. Step 4: Simplify right side
    42,963.52x = 1,665,904,163.16
  5. Step 5: Solve for x
    x = 1,665,904,163.16/42,963.52
  6. Step 6: Final answer
    x = 38,774.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.