Home / 54,812.40-82,240.20-21,526.80

Finding the Fourth Proportional to 54,812.40, 82,240.20 and 21,526.80

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Solution

The fourth proportional to 54,812.40, 82,240.20 and 21,526.80 is: 32,298.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,812.40 : 82,240.20 = 21,526.80 : x
  2. Step 2: Convert to fraction form
    54,812.40/82,240.20 = 21,526.80/x
  3. Step 3: Cross multiply
    54,812.40x = 82,240.20 × 21,526.80
  4. Step 4: Simplify right side
    54,812.40x = 1,770,368,337.36
  5. Step 5: Solve for x
    x = 1,770,368,337.36/54,812.40
  6. Step 6: Final answer
    x = 32,298.68

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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.