Home / 40,943.30-61,363.10-19,888.16

Finding the Fourth Proportional to 40,943.30, 61,363.10 and 19,888.16

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Solution

The fourth proportional to 40,943.30, 61,363.10 and 19,888.16 is: 29,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,943.30 : 61,363.10 = 19,888.16 : x
  2. Step 2: Convert to fraction form
    40,943.30/61,363.10 = 19,888.16/x
  3. Step 3: Cross multiply
    40,943.30x = 61,363.10 × 19,888.16
  4. Step 4: Simplify right side
    40,943.30x = 1,220,398,893.80
  5. Step 5: Solve for x
    x = 1,220,398,893.80/40,943.30
  6. Step 6: Final answer
    x = 29,807.05

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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.