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Finding the Fourth Proportional to 42,648.39, 58,850.06 and 24,739.92

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Solution

The fourth proportional to 42,648.39, 58,850.06 and 24,739.92 is: 34,138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,648.39 : 58,850.06 = 24,739.92 : x
  2. Step 2: Convert to fraction form
    42,648.39/58,850.06 = 24,739.92/x
  3. Step 3: Cross multiply
    42,648.39x = 58,850.06 × 24,739.92
  4. Step 4: Simplify right side
    42,648.39x = 1,455,945,652.70
  5. Step 5: Solve for x
    x = 1,455,945,652.70/42,648.39
  6. Step 6: Final answer
    x = 34,138.35

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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.