Home / 32,160.20-48,240.30-11,385.80

Finding the Fourth Proportional to 32,160.20, 48,240.30 and 11,385.80

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Solution

The fourth proportional to 32,160.20, 48,240.30 and 11,385.80 is: 17,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,160.20 : 48,240.30 = 11,385.80 : x
  2. Step 2: Convert to fraction form
    32,160.20/48,240.30 = 11,385.80/x
  3. Step 3: Cross multiply
    32,160.20x = 48,240.30 × 11,385.80
  4. Step 4: Simplify right side
    32,160.20x = 549,254,407.74
  5. Step 5: Solve for x
    x = 549,254,407.74/32,160.20
  6. Step 6: Final answer
    x = 17,078.70

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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.