Home / 30,948.68-42,711.44-17,337.92

Finding the Fourth Proportional to 30,948.68, 42,711.44 and 17,337.92

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Solution

The fourth proportional to 30,948.68, 42,711.44 and 17,337.92 is: 23,927.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,948.68 : 42,711.44 = 17,337.92 : x
  2. Step 2: Convert to fraction form
    30,948.68/42,711.44 = 17,337.92/x
  3. Step 3: Cross multiply
    30,948.68x = 42,711.44 × 17,337.92
  4. Step 4: Simplify right side
    30,948.68x = 740,527,229.56
  5. Step 5: Solve for x
    x = 740,527,229.56/30,948.68
  6. Step 6: Final answer
    x = 23,927.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.