Home / 42,434.64-63,652.14-14,354.91

Finding the Fourth Proportional to 42,434.64, 63,652.14 and 14,354.91

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Solution

The fourth proportional to 42,434.64, 63,652.14 and 14,354.91 is: 21,532.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,434.64 : 63,652.14 = 14,354.91 : x
  2. Step 2: Convert to fraction form
    42,434.64/63,652.14 = 14,354.91/x
  3. Step 3: Cross multiply
    42,434.64x = 63,652.14 × 14,354.91
  4. Step 4: Simplify right side
    42,434.64x = 913,720,741.01
  5. Step 5: Solve for x
    x = 913,720,741.01/42,434.64
  6. Step 6: Final answer
    x = 21,532.43

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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.