Home / 49,397.30-68,181.45-30,523.76

Finding the Fourth Proportional to 49,397.30, 68,181.45 and 30,523.76

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Solution

The fourth proportional to 49,397.30, 68,181.45 and 30,523.76 is: 42,130.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,397.30 : 68,181.45 = 30,523.76 : x
  2. Step 2: Convert to fraction form
    49,397.30/68,181.45 = 30,523.76/x
  3. Step 3: Cross multiply
    49,397.30x = 68,181.45 × 30,523.76
  4. Step 4: Simplify right side
    49,397.30x = 2,081,154,216.25
  5. Step 5: Solve for x
    x = 2,081,154,216.25/49,397.30
  6. Step 6: Final answer
    x = 42,130.93

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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.