Home / 42,541.12-63,818.60-14,463.68

Finding the Fourth Proportional to 42,541.12, 63,818.60 and 14,463.68

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Solution

The fourth proportional to 42,541.12, 63,818.60 and 14,463.68 is: 21,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,541.12 : 63,818.60 = 14,463.68 : x
  2. Step 2: Convert to fraction form
    42,541.12/63,818.60 = 14,463.68/x
  3. Step 3: Cross multiply
    42,541.12x = 63,818.60 × 14,463.68
  4. Step 4: Simplify right side
    42,541.12x = 923,051,895.68
  5. Step 5: Solve for x
    x = 923,051,895.68/42,541.12
  6. Step 6: Final answer
    x = 21,697.88

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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.