Home / 74,744.40-112,114.17-30,358.02

Finding the Fourth Proportional to 74,744.40, 112,114.17 and 30,358.02

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Solution

The fourth proportional to 74,744.40, 112,114.17 and 30,358.02 is: 45,536.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,744.40 : 112,114.17 = 30,358.02 : x
  2. Step 2: Convert to fraction form
    74,744.40/112,114.17 = 30,358.02/x
  3. Step 3: Cross multiply
    74,744.40x = 112,114.17 × 30,358.02
  4. Step 4: Simplify right side
    74,744.40x = 3,403,564,215.14
  5. Step 5: Solve for x
    x = 3,403,564,215.14/74,744.40
  6. Step 6: Final answer
    x = 45,536.04

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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.