Home / 40,442.76-60,625.74-14,130.36

Finding the Fourth Proportional to 40,442.76, 60,625.74 and 14,130.36

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Solution

The fourth proportional to 40,442.76, 60,625.74 and 14,130.36 is: 21,182.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,442.76 : 60,625.74 = 14,130.36 : x
  2. Step 2: Convert to fraction form
    40,442.76/60,625.74 = 14,130.36/x
  3. Step 3: Cross multiply
    40,442.76x = 60,625.74 × 14,130.36
  4. Step 4: Simplify right side
    40,442.76x = 856,663,531.47
  5. Step 5: Solve for x
    x = 856,663,531.47/40,442.76
  6. Step 6: Final answer
    x = 21,182.12

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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.