Home / 58,348.72-87,535.76-18,909.84

Finding the Fourth Proportional to 58,348.72, 87,535.76 and 18,909.84

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Solution

The fourth proportional to 58,348.72, 87,535.76 and 18,909.84 is: 28,368.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,348.72 : 87,535.76 = 18,909.84 : x
  2. Step 2: Convert to fraction form
    58,348.72/87,535.76 = 18,909.84/x
  3. Step 3: Cross multiply
    58,348.72x = 87,535.76 × 18,909.84
  4. Step 4: Simplify right side
    58,348.72x = 1,655,287,215.88
  5. Step 5: Solve for x
    x = 1,655,287,215.88/58,348.72
  6. Step 6: Final answer
    x = 28,368.87

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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.