Home / 47,648.32-71,446.08-21,378.24

Finding the Fourth Proportional to 47,648.32, 71,446.08 and 21,378.24

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Solution

The fourth proportional to 47,648.32, 71,446.08 and 21,378.24 is: 32,055.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,648.32 : 71,446.08 = 21,378.24 : x
  2. Step 2: Convert to fraction form
    47,648.32/71,446.08 = 21,378.24/x
  3. Step 3: Cross multiply
    47,648.32x = 71,446.08 × 21,378.24
  4. Step 4: Simplify right side
    47,648.32x = 1,527,391,445.30
  5. Step 5: Solve for x
    x = 1,527,391,445.30/47,648.32
  6. Step 6: Final answer
    x = 32,055.52

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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.