Home / 45,129.30-67,688.52-22,958.64

Finding the Fourth Proportional to 45,129.30, 67,688.52 and 22,958.64

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Solution

The fourth proportional to 45,129.30, 67,688.52 and 22,958.64 is: 34,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,129.30 : 67,688.52 = 22,958.64 : x
  2. Step 2: Convert to fraction form
    45,129.30/67,688.52 = 22,958.64/x
  3. Step 3: Cross multiply
    45,129.30x = 67,688.52 × 22,958.64
  4. Step 4: Simplify right side
    45,129.30x = 1,554,036,362.81
  5. Step 5: Solve for x
    x = 1,554,036,362.81/45,129.30
  6. Step 6: Final answer
    x = 34,435.20

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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.