Home / 47,437.60-71,156.40-45,623.20

Finding the Fourth Proportional to 47,437.60, 71,156.40 and 45,623.20

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Solution

The fourth proportional to 47,437.60, 71,156.40 and 45,623.20 is: 68,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,437.60 : 71,156.40 = 45,623.20 : x
  2. Step 2: Convert to fraction form
    47,437.60/71,156.40 = 45,623.20/x
  3. Step 3: Cross multiply
    47,437.60x = 71,156.40 × 45,623.20
  4. Step 4: Simplify right side
    47,437.60x = 3,246,382,668.48
  5. Step 5: Solve for x
    x = 3,246,382,668.48/47,437.60
  6. Step 6: Final answer
    x = 68,434.80

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1.5x scale

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.