Home / 45,453.28-62,744.88-30,557.92

Finding the Fourth Proportional to 45,453.28, 62,744.88 and 30,557.92

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Solution

The fourth proportional to 45,453.28, 62,744.88 and 30,557.92 is: 42,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,453.28 : 62,744.88 = 30,557.92 : x
  2. Step 2: Convert to fraction form
    45,453.28/62,744.88 = 30,557.92/x
  3. Step 3: Cross multiply
    45,453.28x = 62,744.88 × 30,557.92
  4. Step 4: Simplify right side
    45,453.28x = 1,917,353,023.45
  5. Step 5: Solve for x
    x = 1,917,353,023.45/45,453.28
  6. Step 6: Final answer
    x = 42,182.94

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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.