Home / 48,261.20-72,391.80-13,204.40

Finding the Fourth Proportional to 48,261.20, 72,391.80 and 13,204.40

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Solution

The fourth proportional to 48,261.20, 72,391.80 and 13,204.40 is: 19,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,261.20 : 72,391.80 = 13,204.40 : x
  2. Step 2: Convert to fraction form
    48,261.20/72,391.80 = 13,204.40/x
  3. Step 3: Cross multiply
    48,261.20x = 72,391.80 × 13,204.40
  4. Step 4: Simplify right side
    48,261.20x = 955,890,283.92
  5. Step 5: Solve for x
    x = 955,890,283.92/48,261.20
  6. Step 6: Final answer
    x = 19,806.60

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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.