Home / 55,657.28-83,498.52-31,975.76

Finding the Fourth Proportional to 55,657.28, 83,498.52 and 31,975.76

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Solution

The fourth proportional to 55,657.28, 83,498.52 and 31,975.76 is: 47,970.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,657.28 : 83,498.52 = 31,975.76 : x
  2. Step 2: Convert to fraction form
    55,657.28/83,498.52 = 31,975.76/x
  3. Step 3: Cross multiply
    55,657.28x = 83,498.52 × 31,975.76
  4. Step 4: Simplify right side
    55,657.28x = 2,669,928,635.88
  5. Step 5: Solve for x
    x = 2,669,928,635.88/55,657.28
  6. Step 6: Final answer
    x = 47,970.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.