Home / 40,912.17-61,368.12-12,832.44

Finding the Fourth Proportional to 40,912.17, 61,368.12 and 12,832.44

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Solution

The fourth proportional to 40,912.17, 61,368.12 and 12,832.44 is: 19,248.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,912.17 : 61,368.12 = 12,832.44 : x
  2. Step 2: Convert to fraction form
    40,912.17/61,368.12 = 12,832.44/x
  3. Step 3: Cross multiply
    40,912.17x = 61,368.12 × 12,832.44
  4. Step 4: Simplify right side
    40,912.17x = 787,502,717.81
  5. Step 5: Solve for x
    x = 787,502,717.81/40,912.17
  6. Step 6: Final answer
    x = 19,248.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.