Home / 74,902.28-112,377.72-22,312.22

Finding the Fourth Proportional to 74,902.28, 112,377.72 and 22,312.22

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Solution

The fourth proportional to 74,902.28, 112,377.72 and 22,312.22 is: 33,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,902.28 : 112,377.72 = 22,312.22 : x
  2. Step 2: Convert to fraction form
    74,902.28/112,377.72 = 22,312.22/x
  3. Step 3: Cross multiply
    74,902.28x = 112,377.72 × 22,312.22
  4. Step 4: Simplify right side
    74,902.28x = 2,507,396,411.74
  5. Step 5: Solve for x
    x = 2,507,396,411.74/74,902.28
  6. Step 6: Final answer
    x = 33,475.57

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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.