Home / 56,452.74-77,905.85-30,957.49

Finding the Fourth Proportional to 56,452.74, 77,905.85 and 30,957.49

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Solution

The fourth proportional to 56,452.74, 77,905.85 and 30,957.49 is: 42,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,452.74 : 77,905.85 = 30,957.49 : x
  2. Step 2: Convert to fraction form
    56,452.74/77,905.85 = 30,957.49/x
  3. Step 3: Cross multiply
    56,452.74x = 77,905.85 × 30,957.49
  4. Step 4: Simplify right side
    56,452.74x = 2,411,769,396.90
  5. Step 5: Solve for x
    x = 2,411,769,396.90/56,452.74
  6. Step 6: Final answer
    x = 42,721.92

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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.