Home / 52,439.43-72,337.98-31,214.58

Finding the Fourth Proportional to 52,439.43, 72,337.98 and 31,214.58

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Solution

The fourth proportional to 52,439.43, 72,337.98 and 31,214.58 is: 43,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,439.43 : 72,337.98 = 31,214.58 : x
  2. Step 2: Convert to fraction form
    52,439.43/72,337.98 = 31,214.58/x
  3. Step 3: Cross multiply
    52,439.43x = 72,337.98 × 31,214.58
  4. Step 4: Simplify right side
    52,439.43x = 2,257,999,663.75
  5. Step 5: Solve for x
    x = 2,257,999,663.75/52,439.43
  6. Step 6: Final answer
    x = 43,059.20

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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.