Home / 31,810.60-43,902.66-19,242.28

Finding the Fourth Proportional to 31,810.60, 43,902.66 and 19,242.28

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Solution

The fourth proportional to 31,810.60, 43,902.66 and 19,242.28 is: 26,556.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,810.60 : 43,902.66 = 19,242.28 : x
  2. Step 2: Convert to fraction form
    31,810.60/43,902.66 = 19,242.28/x
  3. Step 3: Cross multiply
    31,810.60x = 43,902.66 × 19,242.28
  4. Step 4: Simplify right side
    31,810.60x = 844,787,276.46
  5. Step 5: Solve for x
    x = 844,787,276.46/31,810.60
  6. Step 6: Final answer
    x = 26,556.79

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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.