Home / 66,251.23-91,428.20-36,038.16

Finding the Fourth Proportional to 66,251.23, 91,428.20 and 36,038.16

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Solution

The fourth proportional to 66,251.23, 91,428.20 and 36,038.16 is: 49,733.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,251.23 : 91,428.20 = 36,038.16 : x
  2. Step 2: Convert to fraction form
    66,251.23/91,428.20 = 36,038.16/x
  3. Step 3: Cross multiply
    66,251.23x = 91,428.20 × 36,038.16
  4. Step 4: Simplify right side
    66,251.23x = 3,294,904,100.11
  5. Step 5: Solve for x
    x = 3,294,904,100.11/66,251.23
  6. Step 6: Final answer
    x = 49,733.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.