Home / 43,442.48-65,159.40-20,068.58

Finding the Fourth Proportional to 43,442.48, 65,159.40 and 20,068.58

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Solution

The fourth proportional to 43,442.48, 65,159.40 and 20,068.58 is: 30,100.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,442.48 : 65,159.40 = 20,068.58 : x
  2. Step 2: Convert to fraction form
    43,442.48/65,159.40 = 20,068.58/x
  3. Step 3: Cross multiply
    43,442.48x = 65,159.40 × 20,068.58
  4. Step 4: Simplify right side
    43,442.48x = 1,307,656,631.65
  5. Step 5: Solve for x
    x = 1,307,656,631.65/43,442.48
  6. Step 6: Final answer
    x = 30,100.87

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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.