Home / 42,421.20-58,515.08-27,308.88

Finding the Fourth Proportional to 42,421.20, 58,515.08 and 27,308.88

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Solution

The fourth proportional to 42,421.20, 58,515.08 and 27,308.88 is: 37,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,421.20 : 58,515.08 = 27,308.88 : x
  2. Step 2: Convert to fraction form
    42,421.20/58,515.08 = 27,308.88/x
  3. Step 3: Cross multiply
    42,421.20x = 58,515.08 × 27,308.88
  4. Step 4: Simplify right side
    42,421.20x = 1,597,981,297.91
  5. Step 5: Solve for x
    x = 1,597,981,297.91/42,421.20
  6. Step 6: Final answer
    x = 37,669.40

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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.