Home / 32,451.20-48,689.60-12,726.40

Finding the Fourth Proportional to 32,451.20, 48,689.60 and 12,726.40

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Solution

The fourth proportional to 32,451.20, 48,689.60 and 12,726.40 is: 19,094.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,451.20 : 48,689.60 = 12,726.40 : x
  2. Step 2: Convert to fraction form
    32,451.20/48,689.60 = 12,726.40/x
  3. Step 3: Cross multiply
    32,451.20x = 48,689.60 × 12,726.40
  4. Step 4: Simplify right side
    32,451.20x = 619,643,325.44
  5. Step 5: Solve for x
    x = 619,643,325.44/32,451.20
  6. Step 6: Final answer
    x = 19,094.62

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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.