Home / 40,586.46-60,781.28-28,071.36

Finding the Fourth Proportional to 40,586.46, 60,781.28 and 28,071.36

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Solution

The fourth proportional to 40,586.46, 60,781.28 and 28,071.36 is: 42,038.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,586.46 : 60,781.28 = 28,071.36 : x
  2. Step 2: Convert to fraction form
    40,586.46/60,781.28 = 28,071.36/x
  3. Step 3: Cross multiply
    40,586.46x = 60,781.28 × 28,071.36
  4. Step 4: Simplify right side
    40,586.46x = 1,706,213,051.78
  5. Step 5: Solve for x
    x = 1,706,213,051.78/40,586.46
  6. Step 6: Final answer
    x = 42,038.97

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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.