Home / 20,852.55-31,280.45-6,061.68

Finding the Fourth Proportional to 20,852.55, 31,280.45 and 6,061.68

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Solution

The fourth proportional to 20,852.55, 31,280.45 and 6,061.68 is: 9,092.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,852.55 : 31,280.45 = 6,061.68 : x
  2. Step 2: Convert to fraction form
    20,852.55/31,280.45 = 6,061.68/x
  3. Step 3: Cross multiply
    20,852.55x = 31,280.45 × 6,061.68
  4. Step 4: Simplify right side
    20,852.55x = 189,612,047.85
  5. Step 5: Solve for x
    x = 189,612,047.85/20,852.55
  6. Step 6: Final answer
    x = 9,092.99

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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.