Home / 55,439.92-76,588.04-47,974.96

Finding the Fourth Proportional to 55,439.92, 76,588.04 and 47,974.96

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Solution

The fourth proportional to 55,439.92, 76,588.04 and 47,974.96 is: 66,275.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,439.92 : 76,588.04 = 47,974.96 : x
  2. Step 2: Convert to fraction form
    55,439.92/76,588.04 = 47,974.96/x
  3. Step 3: Cross multiply
    55,439.92x = 76,588.04 × 47,974.96
  4. Step 4: Simplify right side
    55,439.92x = 3,674,308,155.48
  5. Step 5: Solve for x
    x = 3,674,308,155.48/55,439.92
  6. Step 6: Final answer
    x = 66,275.50

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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.