Home / 60,250.74-90,390.42-20,808.18

Finding the Fourth Proportional to 60,250.74, 90,390.42 and 20,808.18

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Solution

The fourth proportional to 60,250.74, 90,390.42 and 20,808.18 is: 31,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,250.74 : 90,390.42 = 20,808.18 : x
  2. Step 2: Convert to fraction form
    60,250.74/90,390.42 = 20,808.18/x
  3. Step 3: Cross multiply
    60,250.74x = 90,390.42 × 20,808.18
  4. Step 4: Simplify right side
    60,250.74x = 1,880,860,129.64
  5. Step 5: Solve for x
    x = 1,880,860,129.64/60,250.74
  6. Step 6: Final answer
    x = 31,217.21

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1.5x scale

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.