Home / 31,462.98-43,417.85-17,315.79

Finding the Fourth Proportional to 31,462.98, 43,417.85 and 17,315.79

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Solution

The fourth proportional to 31,462.98, 43,417.85 and 17,315.79 is: 23,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,462.98 : 43,417.85 = 17,315.79 : x
  2. Step 2: Convert to fraction form
    31,462.98/43,417.85 = 17,315.79/x
  3. Step 3: Cross multiply
    31,462.98x = 43,417.85 × 17,315.79
  4. Step 4: Simplify right side
    31,462.98x = 751,814,286.27
  5. Step 5: Solve for x
    x = 751,814,286.27/31,462.98
  6. Step 6: Final answer
    x = 23,895.20

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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.