Home / 40,730.18-61,066.31-15,749.17

Finding the Fourth Proportional to 40,730.18, 61,066.31 and 15,749.17

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Solution

The fourth proportional to 40,730.18, 61,066.31 and 15,749.17 is: 23,612.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,730.18 : 61,066.31 = 15,749.17 : x
  2. Step 2: Convert to fraction form
    40,730.18/61,066.31 = 15,749.17/x
  3. Step 3: Cross multiply
    40,730.18x = 61,066.31 × 15,749.17
  4. Step 4: Simplify right side
    40,730.18x = 961,743,466.05
  5. Step 5: Solve for x
    x = 961,743,466.05/40,730.18
  6. Step 6: Final answer
    x = 23,612.55

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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.