Home / 48,306.80-72,460.20-13,246.40

Finding the Fourth Proportional to 48,306.80, 72,460.20 and 13,246.40

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Solution

The fourth proportional to 48,306.80, 72,460.20 and 13,246.40 is: 19,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,306.80 : 72,460.20 = 13,246.40 : x
  2. Step 2: Convert to fraction form
    48,306.80/72,460.20 = 13,246.40/x
  3. Step 3: Cross multiply
    48,306.80x = 72,460.20 × 13,246.40
  4. Step 4: Simplify right side
    48,306.80x = 959,836,793.28
  5. Step 5: Solve for x
    x = 959,836,793.28/48,306.80
  6. Step 6: Final answer
    x = 19,869.60

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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.