Home / 32,480.10-48,720.15-30,511.80

Finding the Fourth Proportional to 32,480.10, 48,720.15 and 30,511.80

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Solution

The fourth proportional to 32,480.10, 48,720.15 and 30,511.80 is: 45,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,480.10 : 48,720.15 = 30,511.80 : x
  2. Step 2: Convert to fraction form
    32,480.10/48,720.15 = 30,511.80/x
  3. Step 3: Cross multiply
    32,480.10x = 48,720.15 × 30,511.80
  4. Step 4: Simplify right side
    32,480.10x = 1,486,539,472.77
  5. Step 5: Solve for x
    x = 1,486,539,472.77/32,480.10
  6. Step 6: Final answer
    x = 45,767.70

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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.