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Finding the Fourth Proportional to 32,447.52, 48,671.15 and 12,712.14

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Solution

The fourth proportional to 32,447.52, 48,671.15 and 12,712.14 is: 19,068.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,447.52 : 48,671.15 = 12,712.14 : x
  2. Step 2: Convert to fraction form
    32,447.52/48,671.15 = 12,712.14/x
  3. Step 3: Cross multiply
    32,447.52x = 48,671.15 × 12,712.14
  4. Step 4: Simplify right side
    32,447.52x = 618,714,409.20
  5. Step 5: Solve for x
    x = 618,714,409.20/32,447.52
  6. Step 6: Final answer
    x = 19,068.16

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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.