Home / 56,110.44-77,432.82-30,960.84

Finding the Fourth Proportional to 56,110.44, 77,432.82 and 30,960.84

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Solution

The fourth proportional to 56,110.44, 77,432.82 and 30,960.84 is: 42,726.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,110.44 : 77,432.82 = 30,960.84 : x
  2. Step 2: Convert to fraction form
    56,110.44/77,432.82 = 30,960.84/x
  3. Step 3: Cross multiply
    56,110.44x = 77,432.82 × 30,960.84
  4. Step 4: Simplify right side
    56,110.44x = 2,397,385,150.77
  5. Step 5: Solve for x
    x = 2,397,385,150.77/56,110.44
  6. Step 6: Final answer
    x = 42,726.19

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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.