Home / 40,948.04-61,401.14-18,742.38

Finding the Fourth Proportional to 40,948.04, 61,401.14 and 18,742.38

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Solution

The fourth proportional to 40,948.04, 61,401.14 and 18,742.38 is: 28,103.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,948.04 : 61,401.14 = 18,742.38 : x
  2. Step 2: Convert to fraction form
    40,948.04/61,401.14 = 18,742.38/x
  3. Step 3: Cross multiply
    40,948.04x = 61,401.14 × 18,742.38
  4. Step 4: Simplify right side
    40,948.04x = 1,150,803,498.31
  5. Step 5: Solve for x
    x = 1,150,803,498.31/40,948.04
  6. Step 6: Final answer
    x = 28,103.99

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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.