Home / 48,191.50-72,278.54-13,122.95

Finding the Fourth Proportional to 48,191.50, 72,278.54 and 13,122.95

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Solution

The fourth proportional to 48,191.50, 72,278.54 and 13,122.95 is: 19,682.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,191.50 : 72,278.54 = 13,122.95 : x
  2. Step 2: Convert to fraction form
    48,191.50/72,278.54 = 13,122.95/x
  3. Step 3: Cross multiply
    48,191.50x = 72,278.54 × 13,122.95
  4. Step 4: Simplify right side
    48,191.50x = 948,507,666.49
  5. Step 5: Solve for x
    x = 948,507,666.49/48,191.50
  6. Step 6: Final answer
    x = 19,682.05

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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.