Home / 47,758.17-71,612.63-21,440.34

Finding the Fourth Proportional to 47,758.17, 71,612.63 and 21,440.34

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Solution

The fourth proportional to 47,758.17, 71,612.63 and 21,440.34 is: 32,149.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,758.17 : 71,612.63 = 21,440.34 : x
  2. Step 2: Convert to fraction form
    47,758.17/71,612.63 = 21,440.34/x
  3. Step 3: Cross multiply
    47,758.17x = 71,612.63 × 21,440.34
  4. Step 4: Simplify right side
    47,758.17x = 1,535,399,028.29
  5. Step 5: Solve for x
    x = 1,535,399,028.29/47,758.17
  6. Step 6: Final answer
    x = 32,149.45

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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.