Home / 42,541.55-63,809.99-12,956.91

Finding the Fourth Proportional to 42,541.55, 63,809.99 and 12,956.91

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Solution

The fourth proportional to 42,541.55, 63,809.99 and 12,956.91 is: 19,434.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,541.55 : 63,809.99 = 12,956.91 : x
  2. Step 2: Convert to fraction form
    42,541.55/63,809.99 = 12,956.91/x
  3. Step 3: Cross multiply
    42,541.55x = 63,809.99 × 12,956.91
  4. Step 4: Simplify right side
    42,541.55x = 826,780,297.53
  5. Step 5: Solve for x
    x = 826,780,297.53/42,541.55
  6. Step 6: Final answer
    x = 19,434.65

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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.