Home / 42,145.65-58,156.79-23,281.56

Finding the Fourth Proportional to 42,145.65, 58,156.79 and 23,281.56

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Solution

The fourth proportional to 42,145.65, 58,156.79 and 23,281.56 is: 32,126.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,145.65 : 58,156.79 = 23,281.56 : x
  2. Step 2: Convert to fraction form
    42,145.65/58,156.79 = 23,281.56/x
  3. Step 3: Cross multiply
    42,145.65x = 58,156.79 × 23,281.56
  4. Step 4: Simplify right side
    42,145.65x = 1,353,980,679.38
  5. Step 5: Solve for x
    x = 1,353,980,679.38/42,145.65
  6. Step 6: Final answer
    x = 32,126.23

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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.