Home / 30,432.20-45,648.30-29,265.80

Finding the Fourth Proportional to 30,432.20, 45,648.30 and 29,265.80

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Solution

The fourth proportional to 30,432.20, 45,648.30 and 29,265.80 is: 43,898.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,432.20 : 45,648.30 = 29,265.80 : x
  2. Step 2: Convert to fraction form
    30,432.20/45,648.30 = 29,265.80/x
  3. Step 3: Cross multiply
    30,432.20x = 45,648.30 × 29,265.80
  4. Step 4: Simplify right side
    30,432.20x = 1,335,934,018.14
  5. Step 5: Solve for x
    x = 1,335,934,018.14/30,432.20
  6. Step 6: Final answer
    x = 43,898.70

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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.