Home / 40,071.17-55,294.48-22,165.79

Finding the Fourth Proportional to 40,071.17, 55,294.48 and 22,165.79

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Solution

The fourth proportional to 40,071.17, 55,294.48 and 22,165.79 is: 30,586.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,071.17 : 55,294.48 = 22,165.79 : x
  2. Step 2: Convert to fraction form
    40,071.17/55,294.48 = 22,165.79/x
  3. Step 3: Cross multiply
    40,071.17x = 55,294.48 × 22,165.79
  4. Step 4: Simplify right side
    40,071.17x = 1,225,645,583.07
  5. Step 5: Solve for x
    x = 1,225,645,583.07/40,071.17
  6. Step 6: Final answer
    x = 30,586.72

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1.5x scale

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.