Home / 42,378.12-58,486.50-24,478.92

Finding the Fourth Proportional to 42,378.12, 58,486.50 and 24,478.92

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Solution

The fourth proportional to 42,378.12, 58,486.50 and 24,478.92 is: 33,783.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,378.12 : 58,486.50 = 24,478.92 : x
  2. Step 2: Convert to fraction form
    42,378.12/58,486.50 = 24,478.92/x
  3. Step 3: Cross multiply
    42,378.12x = 58,486.50 × 24,478.92
  4. Step 4: Simplify right side
    42,378.12x = 1,431,686,354.58
  5. Step 5: Solve for x
    x = 1,431,686,354.58/42,378.12
  6. Step 6: Final answer
    x = 33,783.62

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Double scale
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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.