Home / 74,177.96-111,290.70-21,590.60

Finding the Fourth Proportional to 74,177.96, 111,290.70 and 21,590.60

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Solution

The fourth proportional to 74,177.96, 111,290.70 and 21,590.60 is: 32,392.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,177.96 : 111,290.70 = 21,590.60 : x
  2. Step 2: Convert to fraction form
    74,177.96/111,290.70 = 21,590.60/x
  3. Step 3: Cross multiply
    74,177.96x = 111,290.70 × 21,590.60
  4. Step 4: Simplify right side
    74,177.96x = 2,402,832,987.42
  5. Step 5: Solve for x
    x = 2,402,832,987.42/74,177.96
  6. Step 6: Final answer
    x = 32,392.82

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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.