Home / 42,113.88-58,128.30-26,189.28

Finding the Fourth Proportional to 42,113.88, 58,128.30 and 26,189.28

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Solution

The fourth proportional to 42,113.88, 58,128.30 and 26,189.28 is: 36,148.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,113.88 : 58,128.30 = 26,189.28 : x
  2. Step 2: Convert to fraction form
    42,113.88/58,128.30 = 26,189.28/x
  3. Step 3: Cross multiply
    42,113.88x = 58,128.30 × 26,189.28
  4. Step 4: Simplify right side
    42,113.88x = 1,522,338,324.62
  5. Step 5: Solve for x
    x = 1,522,338,324.62/42,113.88
  6. Step 6: Final answer
    x = 36,148.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.