Home / 77,204.61-115,805.70-24,613.74

Finding the Fourth Proportional to 77,204.61, 115,805.70 and 24,613.74

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Solution

The fourth proportional to 77,204.61, 115,805.70 and 24,613.74 is: 36,920.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,204.61 : 115,805.70 = 24,613.74 : x
  2. Step 2: Convert to fraction form
    77,204.61/115,805.70 = 24,613.74/x
  3. Step 3: Cross multiply
    77,204.61x = 115,805.70 × 24,613.74
  4. Step 4: Simplify right side
    77,204.61x = 2,850,411,390.32
  5. Step 5: Solve for x
    x = 2,850,411,390.32/77,204.61
  6. Step 6: Final answer
    x = 36,920.22

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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.