Home / 44,111.27-66,129.70-19,132.50

Finding the Fourth Proportional to 44,111.27, 66,129.70 and 19,132.50

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Solution

The fourth proportional to 44,111.27, 66,129.70 and 19,132.50 is: 28,682.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,111.27 : 66,129.70 = 19,132.50 : x
  2. Step 2: Convert to fraction form
    44,111.27/66,129.70 = 19,132.50/x
  3. Step 3: Cross multiply
    44,111.27x = 66,129.70 × 19,132.50
  4. Step 4: Simplify right side
    44,111.27x = 1,265,226,509.17
  5. Step 5: Solve for x
    x = 1,265,226,509.17/44,111.27
  6. Step 6: Final answer
    x = 28,682.62

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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.