Home / 42,337.62-63,381.56-31,293.68

Finding the Fourth Proportional to 42,337.62, 63,381.56 and 31,293.68

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Solution

The fourth proportional to 42,337.62, 63,381.56 and 31,293.68 is: 46,848.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,337.62 : 63,381.56 = 31,293.68 : x
  2. Step 2: Convert to fraction form
    42,337.62/63,381.56 = 31,293.68/x
  3. Step 3: Cross multiply
    42,337.62x = 63,381.56 × 31,293.68
  4. Step 4: Simplify right side
    42,337.62x = 1,983,441,783.16
  5. Step 5: Solve for x
    x = 1,983,441,783.16/42,337.62
  6. Step 6: Final answer
    x = 46,848.21

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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.