Home / 45,744.20-68,587.10-19,435.40

Finding the Fourth Proportional to 45,744.20, 68,587.10 and 19,435.40

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Solution

The fourth proportional to 45,744.20, 68,587.10 and 19,435.40 is: 29,140.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,744.20 : 68,587.10 = 19,435.40 : x
  2. Step 2: Convert to fraction form
    45,744.20/68,587.10 = 19,435.40/x
  3. Step 3: Cross multiply
    45,744.20x = 68,587.10 × 19,435.40
  4. Step 4: Simplify right side
    45,744.20x = 1,333,017,723.34
  5. Step 5: Solve for x
    x = 1,333,017,723.34/45,744.20
  6. Step 6: Final answer
    x = 29,140.69

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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.