Home / 38,070.05-52,542.18-21,934.22

Finding the Fourth Proportional to 38,070.05, 52,542.18 and 21,934.22

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Solution

The fourth proportional to 38,070.05, 52,542.18 and 21,934.22 is: 30,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,070.05 : 52,542.18 = 21,934.22 : x
  2. Step 2: Convert to fraction form
    38,070.05/52,542.18 = 21,934.22/x
  3. Step 3: Cross multiply
    38,070.05x = 52,542.18 × 21,934.22
  4. Step 4: Simplify right side
    38,070.05x = 1,152,471,472.69
  5. Step 5: Solve for x
    x = 1,152,471,472.69/38,070.05
  6. Step 6: Final answer
    x = 30,272.40

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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.