Home / 42,318.93-58,399.79-23,198.78

Finding the Fourth Proportional to 42,318.93, 58,399.79 and 23,198.78

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Solution

The fourth proportional to 42,318.93, 58,399.79 and 23,198.78 is: 32,014.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,318.93 : 58,399.79 = 23,198.78 : x
  2. Step 2: Convert to fraction form
    42,318.93/58,399.79 = 23,198.78/x
  3. Step 3: Cross multiply
    42,318.93x = 58,399.79 × 23,198.78
  4. Step 4: Simplify right side
    42,318.93x = 1,354,803,472.26
  5. Step 5: Solve for x
    x = 1,354,803,472.26/42,318.93
  6. Step 6: Final answer
    x = 32,014.12

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1.5x scale

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.