Home / 56,708.36-85,073.34-21,645.08

Finding the Fourth Proportional to 56,708.36, 85,073.34 and 21,645.08

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Solution

The fourth proportional to 56,708.36, 85,073.34 and 21,645.08 is: 32,471.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,708.36 : 85,073.34 = 21,645.08 : x
  2. Step 2: Convert to fraction form
    56,708.36/85,073.34 = 21,645.08/x
  3. Step 3: Cross multiply
    56,708.36x = 85,073.34 × 21,645.08
  4. Step 4: Simplify right side
    56,708.36x = 1,841,419,250.17
  5. Step 5: Solve for x
    x = 1,841,419,250.17/56,708.36
  6. Step 6: Final answer
    x = 32,471.74

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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.