Home / 60,559.89-90,854.21-20,581.53

Finding the Fourth Proportional to 60,559.89, 90,854.21 and 20,581.53

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Solution

The fourth proportional to 60,559.89, 90,854.21 and 20,581.53 is: 30,877.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,559.89 : 90,854.21 = 20,581.53 : x
  2. Step 2: Convert to fraction form
    60,559.89/90,854.21 = 20,581.53/x
  3. Step 3: Cross multiply
    60,559.89x = 90,854.21 × 20,581.53
  4. Step 4: Simplify right side
    60,559.89x = 1,869,918,648.74
  5. Step 5: Solve for x
    x = 1,869,918,648.74/60,559.89
  6. Step 6: Final answer
    x = 30,877.18

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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.