Home / 48,381.48-72,590.88-18,820.14

Finding the Fourth Proportional to 48,381.48, 72,590.88 and 18,820.14

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Solution

The fourth proportional to 48,381.48, 72,590.88 and 18,820.14 is: 28,237.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,381.48 : 72,590.88 = 18,820.14 : x
  2. Step 2: Convert to fraction form
    48,381.48/72,590.88 = 18,820.14/x
  3. Step 3: Cross multiply
    48,381.48x = 72,590.88 × 18,820.14
  4. Step 4: Simplify right side
    48,381.48x = 1,366,170,524.32
  5. Step 5: Solve for x
    x = 1,366,170,524.32/48,381.48
  6. Step 6: Final answer
    x = 28,237.47

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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.