Home / 34,442.86-47,531.37-19,129.53

Finding the Fourth Proportional to 34,442.86, 47,531.37 and 19,129.53

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Solution

The fourth proportional to 34,442.86, 47,531.37 and 19,129.53 is: 26,398.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,442.86 : 47,531.37 = 19,129.53 : x
  2. Step 2: Convert to fraction form
    34,442.86/47,531.37 = 19,129.53/x
  3. Step 3: Cross multiply
    34,442.86x = 47,531.37 × 19,129.53
  4. Step 4: Simplify right side
    34,442.86x = 909,252,737.11
  5. Step 5: Solve for x
    x = 909,252,737.11/34,442.86
  6. Step 6: Final answer
    x = 26,398.88

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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.