Home / 48,139.32-66,438.46-26,919.76

Finding the Fourth Proportional to 48,139.32, 66,438.46 and 26,919.76

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Solution

The fourth proportional to 48,139.32, 66,438.46 and 26,919.76 is: 37,152.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,139.32 : 66,438.46 = 26,919.76 : x
  2. Step 2: Convert to fraction form
    48,139.32/66,438.46 = 26,919.76/x
  3. Step 3: Cross multiply
    48,139.32x = 66,438.46 × 26,919.76
  4. Step 4: Simplify right side
    48,139.32x = 1,788,507,397.97
  5. Step 5: Solve for x
    x = 1,788,507,397.97/48,139.32
  6. Step 6: Final answer
    x = 37,152.73

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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.