Home / 42,254.68-63,385.86-12,671.32

Finding the Fourth Proportional to 42,254.68, 63,385.86 and 12,671.32

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Solution

The fourth proportional to 42,254.68, 63,385.86 and 12,671.32 is: 19,008.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,254.68 : 63,385.86 = 12,671.32 : x
  2. Step 2: Convert to fraction form
    42,254.68/63,385.86 = 12,671.32/x
  3. Step 3: Cross multiply
    42,254.68x = 63,385.86 × 12,671.32
  4. Step 4: Simplify right side
    42,254.68x = 803,182,515.54
  5. Step 5: Solve for x
    x = 803,182,515.54/42,254.68
  6. Step 6: Final answer
    x = 19,008.13

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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.