Home / 42,642.08-63,966.19-13,056.06

Finding the Fourth Proportional to 42,642.08, 63,966.19 and 13,056.06

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Solution

The fourth proportional to 42,642.08, 63,966.19 and 13,056.06 is: 19,585.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,642.08 : 63,966.19 = 13,056.06 : x
  2. Step 2: Convert to fraction form
    42,642.08/63,966.19 = 13,056.06/x
  3. Step 3: Cross multiply
    42,642.08x = 63,966.19 × 13,056.06
  4. Step 4: Simplify right side
    42,642.08x = 835,146,414.61
  5. Step 5: Solve for x
    x = 835,146,414.61/42,642.08
  6. Step 6: Final answer
    x = 19,585.03

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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.