Home / 40,282.74-60,430.24-20,550.52

Finding the Fourth Proportional to 40,282.74, 60,430.24 and 20,550.52

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Solution

The fourth proportional to 40,282.74, 60,430.24 and 20,550.52 is: 30,828.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,282.74 : 60,430.24 = 20,550.52 : x
  2. Step 2: Convert to fraction form
    40,282.74/60,430.24 = 20,550.52/x
  3. Step 3: Cross multiply
    40,282.74x = 60,430.24 × 20,550.52
  4. Step 4: Simplify right side
    40,282.74x = 1,241,872,855.72
  5. Step 5: Solve for x
    x = 1,241,872,855.72/40,282.74
  6. Step 6: Final answer
    x = 30,828.91

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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.