Home / 56,010.74-77,294.39-30,517.02

Finding the Fourth Proportional to 56,010.74, 77,294.39 and 30,517.02

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Solution

The fourth proportional to 56,010.74, 77,294.39 and 30,517.02 is: 42,113.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,010.74 : 77,294.39 = 30,517.02 : x
  2. Step 2: Convert to fraction form
    56,010.74/77,294.39 = 30,517.02/x
  3. Step 3: Cross multiply
    56,010.74x = 77,294.39 × 30,517.02
  4. Step 4: Simplify right side
    56,010.74x = 2,358,794,292.93
  5. Step 5: Solve for x
    x = 2,358,794,292.93/56,010.74
  6. Step 6: Final answer
    x = 42,113.25

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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.