Home / 52,445.28-78,343.76-47,171.92

Finding the Fourth Proportional to 52,445.28, 78,343.76 and 47,171.92

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Solution

The fourth proportional to 52,445.28, 78,343.76 and 47,171.92 is: 70,466.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,445.28 : 78,343.76 = 47,171.92 : x
  2. Step 2: Convert to fraction form
    52,445.28/78,343.76 = 47,171.92/x
  3. Step 3: Cross multiply
    52,445.28x = 78,343.76 × 47,171.92
  4. Step 4: Simplify right side
    52,445.28x = 3,695,625,579.22
  5. Step 5: Solve for x
    x = 3,695,625,579.22/52,445.28
  6. Step 6: Final answer
    x = 70,466.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.