Home / 48,311.16-66,671.28-28,181.04

Finding the Fourth Proportional to 48,311.16, 66,671.28 and 28,181.04

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Solution

The fourth proportional to 48,311.16, 66,671.28 and 28,181.04 is: 38,890.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,311.16 : 66,671.28 = 28,181.04 : x
  2. Step 2: Convert to fraction form
    48,311.16/66,671.28 = 28,181.04/x
  3. Step 3: Cross multiply
    48,311.16x = 66,671.28 × 28,181.04
  4. Step 4: Simplify right side
    48,311.16x = 1,878,866,008.53
  5. Step 5: Solve for x
    x = 1,878,866,008.53/48,311.16
  6. Step 6: Final answer
    x = 38,890.93

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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.