Home / 87,017.81-130,543.05-27,837.59

Finding the Fourth Proportional to 87,017.81, 130,543.05 and 27,837.59

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Solution

The fourth proportional to 87,017.81, 130,543.05 and 27,837.59 is: 41,761.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,017.81 : 130,543.05 = 27,837.59 : x
  2. Step 2: Convert to fraction form
    87,017.81/130,543.05 = 27,837.59/x
  3. Step 3: Cross multiply
    87,017.81x = 130,543.05 × 27,837.59
  4. Step 4: Simplify right side
    87,017.81x = 3,634,003,903.25
  5. Step 5: Solve for x
    x = 3,634,003,903.25/87,017.81
  6. Step 6: Final answer
    x = 41,761.61

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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.