Home / 42,339.16-63,498.47-14,251.91

Finding the Fourth Proportional to 42,339.16, 63,498.47 and 14,251.91

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Solution

The fourth proportional to 42,339.16, 63,498.47 and 14,251.91 is: 21,374.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,339.16 : 63,498.47 = 14,251.91 : x
  2. Step 2: Convert to fraction form
    42,339.16/63,498.47 = 14,251.91/x
  3. Step 3: Cross multiply
    42,339.16x = 63,498.47 × 14,251.91
  4. Step 4: Simplify right side
    42,339.16x = 904,974,479.58
  5. Step 5: Solve for x
    x = 904,974,479.58/42,339.16
  6. Step 6: Final answer
    x = 21,374.41

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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.