Home / 31,242.70-43,117.48-17,818.17

Finding the Fourth Proportional to 31,242.70, 43,117.48 and 17,818.17

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Solution

The fourth proportional to 31,242.70, 43,117.48 and 17,818.17 is: 24,590.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,242.70 : 43,117.48 = 17,818.17 : x
  2. Step 2: Convert to fraction form
    31,242.70/43,117.48 = 17,818.17/x
  3. Step 3: Cross multiply
    31,242.70x = 43,117.48 × 17,818.17
  4. Step 4: Simplify right side
    31,242.70x = 768,274,588.61
  5. Step 5: Solve for x
    x = 768,274,588.61/31,242.70
  6. Step 6: Final answer
    x = 24,590.53

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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.