Home / 42,670.17-63,998.13-13,080.06

Finding the Fourth Proportional to 42,670.17, 63,998.13 and 13,080.06

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Solution

The fourth proportional to 42,670.17, 63,998.13 and 13,080.06 is: 19,617.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,670.17 : 63,998.13 = 13,080.06 : x
  2. Step 2: Convert to fraction form
    42,670.17/63,998.13 = 13,080.06/x
  3. Step 3: Cross multiply
    42,670.17x = 63,998.13 × 13,080.06
  4. Step 4: Simplify right side
    42,670.17x = 837,099,380.29
  5. Step 5: Solve for x
    x = 837,099,380.29/42,670.17
  6. Step 6: Final answer
    x = 19,617.91

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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.