Home / 74,417.84-111,628.20-29,438

Finding the Fourth Proportional to 74,417.84, 111,628.20 and 29,438

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Solution

The fourth proportional to 74,417.84, 111,628.20 and 29,438 is: 44,157.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,417.84 : 111,628.20 = 29,438 : x
  2. Step 2: Convert to fraction form
    74,417.84/111,628.20 = 29,438/x
  3. Step 3: Cross multiply
    74,417.84x = 111,628.20 × 29,438
  4. Step 4: Simplify right side
    74,417.84x = 3,286,110,951.60
  5. Step 5: Solve for x
    x = 3,286,110,951.60/74,417.84
  6. Step 6: Final answer
    x = 44,157.57

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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.