Home / 51,631.52-71,247.30-28,967.46

Finding the Fourth Proportional to 51,631.52, 71,247.30 and 28,967.46

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Solution

The fourth proportional to 51,631.52, 71,247.30 and 28,967.46 is: 39,972.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,631.52 : 71,247.30 = 28,967.46 : x
  2. Step 2: Convert to fraction form
    51,631.52/71,247.30 = 28,967.46/x
  3. Step 3: Cross multiply
    51,631.52x = 71,247.30 × 28,967.46
  4. Step 4: Simplify right side
    51,631.52x = 2,063,853,312.86
  5. Step 5: Solve for x
    x = 2,063,853,312.86/51,631.52
  6. Step 6: Final answer
    x = 39,972.74

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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.