Home / 54,370.78-75,031.80-31,725.34

Finding the Fourth Proportional to 54,370.78, 75,031.80 and 31,725.34

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Solution

The fourth proportional to 54,370.78, 75,031.80 and 31,725.34 is: 43,781.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,370.78 : 75,031.80 = 31,725.34 : x
  2. Step 2: Convert to fraction form
    54,370.78/75,031.80 = 31,725.34/x
  3. Step 3: Cross multiply
    54,370.78x = 75,031.80 × 31,725.34
  4. Step 4: Simplify right side
    54,370.78x = 2,380,409,365.81
  5. Step 5: Solve for x
    x = 2,380,409,365.81/54,370.78
  6. Step 6: Final answer
    x = 43,781.04

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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.