Home / 37,961.19-52,386.18-20,966.55

Finding the Fourth Proportional to 37,961.19, 52,386.18 and 20,966.55

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Solution

The fourth proportional to 37,961.19, 52,386.18 and 20,966.55 is: 28,933.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,961.19 : 52,386.18 = 20,966.55 : x
  2. Step 2: Convert to fraction form
    37,961.19/52,386.18 = 20,966.55/x
  3. Step 3: Cross multiply
    37,961.19x = 52,386.18 × 20,966.55
  4. Step 4: Simplify right side
    37,961.19x = 1,098,357,187.21
  5. Step 5: Solve for x
    x = 1,098,357,187.21/37,961.19
  6. Step 6: Final answer
    x = 28,933.69

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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.