Home / 43,442.31-65,168.63-15,356.58

Finding the Fourth Proportional to 43,442.31, 65,168.63 and 15,356.58

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Solution

The fourth proportional to 43,442.31, 65,168.63 and 15,356.58 is: 23,036.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,442.31 : 65,168.63 = 15,356.58 : x
  2. Step 2: Convert to fraction form
    43,442.31/65,168.63 = 15,356.58/x
  3. Step 3: Cross multiply
    43,442.31x = 65,168.63 × 15,356.58
  4. Step 4: Simplify right side
    43,442.31x = 1,000,767,280.09
  5. Step 5: Solve for x
    x = 1,000,767,280.09/43,442.31
  6. Step 6: Final answer
    x = 23,036.70

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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.