Home / 32,412.66-48,638.12-13,691.48

Finding the Fourth Proportional to 32,412.66, 48,638.12 and 13,691.48

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Solution

The fourth proportional to 32,412.66, 48,638.12 and 13,691.48 is: 20,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,412.66 : 48,638.12 = 13,691.48 : x
  2. Step 2: Convert to fraction form
    32,412.66/48,638.12 = 13,691.48/x
  3. Step 3: Cross multiply
    32,412.66x = 48,638.12 × 13,691.48
  4. Step 4: Simplify right side
    32,412.66x = 665,927,886.17
  5. Step 5: Solve for x
    x = 665,927,886.17/32,412.66
  6. Step 6: Final answer
    x = 20,545.30

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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.