Home / 44,323.20-66,455.04-20,928

Finding the Fourth Proportional to 44,323.20, 66,455.04 and 20,928

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Solution

The fourth proportional to 44,323.20, 66,455.04 and 20,928 is: 31,377.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,323.20 : 66,455.04 = 20,928 : x
  2. Step 2: Convert to fraction form
    44,323.20/66,455.04 = 20,928/x
  3. Step 3: Cross multiply
    44,323.20x = 66,455.04 × 20,928
  4. Step 4: Simplify right side
    44,323.20x = 1,390,771,077.12
  5. Step 5: Solve for x
    x = 1,390,771,077.12/44,323.20
  6. Step 6: Final answer
    x = 31,377.95

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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.