Home / 47,279.95-70,920.15-14,000.64

Finding the Fourth Proportional to 47,279.95, 70,920.15 and 14,000.64

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Solution

The fourth proportional to 47,279.95, 70,920.15 and 14,000.64 is: 21,001.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,279.95 : 70,920.15 = 14,000.64 : x
  2. Step 2: Convert to fraction form
    47,279.95/70,920.15 = 14,000.64/x
  3. Step 3: Cross multiply
    47,279.95x = 70,920.15 × 14,000.64
  4. Step 4: Simplify right side
    47,279.95x = 992,927,488.90
  5. Step 5: Solve for x
    x = 992,927,488.90/47,279.95
  6. Step 6: Final answer
    x = 21,001.03

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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.