Home / 60,590.23-90,844.34-21,125.81

Finding the Fourth Proportional to 60,590.23, 90,844.34 and 21,125.81

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Solution

The fourth proportional to 60,590.23, 90,844.34 and 21,125.81 is: 31,674.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,590.23 : 90,844.34 = 21,125.81 : x
  2. Step 2: Convert to fraction form
    60,590.23/90,844.34 = 21,125.81/x
  3. Step 3: Cross multiply
    60,590.23x = 90,844.34 × 21,125.81
  4. Step 4: Simplify right side
    60,590.23x = 1,919,160,387.90
  5. Step 5: Solve for x
    x = 1,919,160,387.90/60,590.23
  6. Step 6: Final answer
    x = 31,674.42

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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.