Home / 55,493.28-76,580.98-30,342.76

Finding the Fourth Proportional to 55,493.28, 76,580.98 and 30,342.76

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Solution

The fourth proportional to 55,493.28, 76,580.98 and 30,342.76 is: 41,873.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,493.28 : 76,580.98 = 30,342.76 : x
  2. Step 2: Convert to fraction form
    55,493.28/76,580.98 = 30,342.76/x
  3. Step 3: Cross multiply
    55,493.28x = 76,580.98 × 30,342.76
  4. Step 4: Simplify right side
    55,493.28x = 2,323,678,296.70
  5. Step 5: Solve for x
    x = 2,323,678,296.70/55,493.28
  6. Step 6: Final answer
    x = 41,873.15

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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.