Home / 48,310.74-66,671.10-30,172.23

Finding the Fourth Proportional to 48,310.74, 66,671.10 and 30,172.23

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Solution

The fourth proportional to 48,310.74, 66,671.10 and 30,172.23 is: 41,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,310.74 : 66,671.10 = 30,172.23 : x
  2. Step 2: Convert to fraction form
    48,310.74/66,671.10 = 30,172.23/x
  3. Step 3: Cross multiply
    48,310.74x = 66,671.10 × 30,172.23
  4. Step 4: Simplify right side
    48,310.74x = 2,011,615,763.55
  5. Step 5: Solve for x
    x = 2,011,615,763.55/48,310.74
  6. Step 6: Final answer
    x = 41,639.10

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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.