Home / 48,248.88-72,367.56-20,554.80

Finding the Fourth Proportional to 48,248.88, 72,367.56 and 20,554.80

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Solution

The fourth proportional to 48,248.88, 72,367.56 and 20,554.80 is: 30,829.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,248.88 : 72,367.56 = 20,554.80 : x
  2. Step 2: Convert to fraction form
    48,248.88/72,367.56 = 20,554.80/x
  3. Step 3: Cross multiply
    48,248.88x = 72,367.56 × 20,554.80
  4. Step 4: Simplify right side
    48,248.88x = 1,487,500,722.29
  5. Step 5: Solve for x
    x = 1,487,500,722.29/48,248.88
  6. Step 6: Final answer
    x = 30,829.75

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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.