Home / 47,722.40-71,591.70-14,442.20

Finding the Fourth Proportional to 47,722.40, 71,591.70 and 14,442.20

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Solution

The fourth proportional to 47,722.40, 71,591.70 and 14,442.20 is: 21,665.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,722.40 : 71,591.70 = 14,442.20 : x
  2. Step 2: Convert to fraction form
    47,722.40/71,591.70 = 14,442.20/x
  3. Step 3: Cross multiply
    47,722.40x = 71,591.70 × 14,442.20
  4. Step 4: Simplify right side
    47,722.40x = 1,033,941,649.74
  5. Step 5: Solve for x
    x = 1,033,941,649.74/47,722.40
  6. Step 6: Final answer
    x = 21,665.75

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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.