Home / 48,381.66-72,577.08-18,801.78

Finding the Fourth Proportional to 48,381.66, 72,577.08 and 18,801.78

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Solution

The fourth proportional to 48,381.66, 72,577.08 and 18,801.78 is: 28,204.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,381.66 : 72,577.08 = 18,801.78 : x
  2. Step 2: Convert to fraction form
    48,381.66/72,577.08 = 18,801.78/x
  3. Step 3: Cross multiply
    48,381.66x = 72,577.08 × 18,801.78
  4. Step 4: Simplify right side
    48,381.66x = 1,364,578,291.20
  5. Step 5: Solve for x
    x = 1,364,578,291.20/48,381.66
  6. Step 6: Final answer
    x = 28,204.45

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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.