Home / 38,600.40-57,895.10-18,873.66

Finding the Fourth Proportional to 38,600.40, 57,895.10 and 18,873.66

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Solution

The fourth proportional to 38,600.40, 57,895.10 and 18,873.66 is: 28,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,600.40 : 57,895.10 = 18,873.66 : x
  2. Step 2: Convert to fraction form
    38,600.40/57,895.10 = 18,873.66/x
  3. Step 3: Cross multiply
    38,600.40x = 57,895.10 × 18,873.66
  4. Step 4: Simplify right side
    38,600.40x = 1,092,692,433.07
  5. Step 5: Solve for x
    x = 1,092,692,433.07/38,600.40
  6. Step 6: Final answer
    x = 28,307.80

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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.