Home / 48,340.46-66,742.36-36,989.69

Finding the Fourth Proportional to 48,340.46, 66,742.36 and 36,989.69

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Solution

The fourth proportional to 48,340.46, 66,742.36 and 36,989.69 is: 51,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,340.46 : 66,742.36 = 36,989.69 : x
  2. Step 2: Convert to fraction form
    48,340.46/66,742.36 = 36,989.69/x
  3. Step 3: Cross multiply
    48,340.46x = 66,742.36 × 36,989.69
  4. Step 4: Simplify right side
    48,340.46x = 2,468,778,780.08
  5. Step 5: Solve for x
    x = 2,468,778,780.08/48,340.46
  6. Step 6: Final answer
    x = 51,070.65

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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.