Home / 34,618.74-47,766.15-21,188.94

Finding the Fourth Proportional to 34,618.74, 47,766.15 and 21,188.94

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Solution

The fourth proportional to 34,618.74, 47,766.15 and 21,188.94 is: 29,236.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,618.74 : 47,766.15 = 21,188.94 : x
  2. Step 2: Convert to fraction form
    34,618.74/47,766.15 = 21,188.94/x
  3. Step 3: Cross multiply
    34,618.74x = 47,766.15 × 21,188.94
  4. Step 4: Simplify right side
    34,618.74x = 1,012,114,086.38
  5. Step 5: Solve for x
    x = 1,012,114,086.38/34,618.74
  6. Step 6: Final answer
    x = 29,236.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.