Home / 31,488.85-43,455.17-17,341.66

Finding the Fourth Proportional to 31,488.85, 43,455.17 and 17,341.66

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Solution

The fourth proportional to 31,488.85, 43,455.17 and 17,341.66 is: 23,931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,488.85 : 43,455.17 = 17,341.66 : x
  2. Step 2: Convert to fraction form
    31,488.85/43,455.17 = 17,341.66/x
  3. Step 3: Cross multiply
    31,488.85x = 43,455.17 × 17,341.66
  4. Step 4: Simplify right side
    31,488.85x = 753,584,783.38
  5. Step 5: Solve for x
    x = 753,584,783.38/31,488.85
  6. Step 6: Final answer
    x = 23,931.80

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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.