Home / 40,289.05-60,470.49-21,590.20

Finding the Fourth Proportional to 40,289.05, 60,470.49 and 21,590.20

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Solution

The fourth proportional to 40,289.05, 60,470.49 and 21,590.20 is: 32,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,289.05 : 60,470.49 = 21,590.20 : x
  2. Step 2: Convert to fraction form
    40,289.05/60,470.49 = 21,590.20/x
  3. Step 3: Cross multiply
    40,289.05x = 60,470.49 × 21,590.20
  4. Step 4: Simplify right side
    40,289.05x = 1,305,569,973.20
  5. Step 5: Solve for x
    x = 1,305,569,973.20/40,289.05
  6. Step 6: Final answer
    x = 32,405.08

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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.