Home / 40,531.86-55,959.60-27,806.34

Finding the Fourth Proportional to 40,531.86, 55,959.60 and 27,806.34

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Solution

The fourth proportional to 40,531.86, 55,959.60 and 27,806.34 is: 38,390.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,531.86 : 55,959.60 = 27,806.34 : x
  2. Step 2: Convert to fraction form
    40,531.86/55,959.60 = 27,806.34/x
  3. Step 3: Cross multiply
    40,531.86x = 55,959.60 × 27,806.34
  4. Step 4: Simplify right side
    40,531.86x = 1,556,031,663.86
  5. Step 5: Solve for x
    x = 1,556,031,663.86/40,531.86
  6. Step 6: Final answer
    x = 38,390.33

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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.