Home / 38,702.28-58,079.31-14,078.28

Finding the Fourth Proportional to 38,702.28, 58,079.31 and 14,078.28

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Solution

The fourth proportional to 38,702.28, 58,079.31 and 14,078.28 is: 21,126.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,702.28 : 58,079.31 = 14,078.28 : x
  2. Step 2: Convert to fraction form
    38,702.28/58,079.31 = 14,078.28/x
  3. Step 3: Cross multiply
    38,702.28x = 58,079.31 × 14,078.28
  4. Step 4: Simplify right side
    38,702.28x = 817,656,788.39
  5. Step 5: Solve for x
    x = 817,656,788.39/38,702.28
  6. Step 6: Final answer
    x = 21,126.84

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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.