Home / 38,541.95-57,766.90-19,830.95

Finding the Fourth Proportional to 38,541.95, 57,766.90 and 19,830.95

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Solution

The fourth proportional to 38,541.95, 57,766.90 and 19,830.95 is: 29,722.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,541.95 : 57,766.90 = 19,830.95 : x
  2. Step 2: Convert to fraction form
    38,541.95/57,766.90 = 19,830.95/x
  3. Step 3: Cross multiply
    38,541.95x = 57,766.90 × 19,830.95
  4. Step 4: Simplify right side
    38,541.95x = 1,145,572,167.14
  5. Step 5: Solve for x
    x = 1,145,572,167.14/38,541.95
  6. Step 6: Final answer
    x = 29,722.74

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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.