Home / 48,184.12-72,278.07-13,123.68

Finding the Fourth Proportional to 48,184.12, 72,278.07 and 13,123.68

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Solution

The fourth proportional to 48,184.12, 72,278.07 and 13,123.68 is: 19,686.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,184.12 : 72,278.07 = 13,123.68 : x
  2. Step 2: Convert to fraction form
    48,184.12/72,278.07 = 13,123.68/x
  3. Step 3: Cross multiply
    48,184.12x = 72,278.07 × 13,123.68
  4. Step 4: Simplify right side
    48,184.12x = 948,554,261.70
  5. Step 5: Solve for x
    x = 948,554,261.70/48,184.12
  6. Step 6: Final answer
    x = 19,686.03

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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.