Home / 31,524.48-43,188.36-30,342.72

Finding the Fourth Proportional to 31,524.48, 43,188.36 and 30,342.72

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Solution

The fourth proportional to 31,524.48, 43,188.36 and 30,342.72 is: 41,569.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,524.48 : 43,188.36 = 30,342.72 : x
  2. Step 2: Convert to fraction form
    31,524.48/43,188.36 = 30,342.72/x
  3. Step 3: Cross multiply
    31,524.48x = 43,188.36 × 30,342.72
  4. Step 4: Simplify right side
    31,524.48x = 1,310,452,314.74
  5. Step 5: Solve for x
    x = 1,310,452,314.74/31,524.48
  6. Step 6: Final answer
    x = 41,569.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.