Home / 53,428.48-73,729.50-29,229.33

Finding the Fourth Proportional to 53,428.48, 73,729.50 and 29,229.33

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Solution

The fourth proportional to 53,428.48, 73,729.50 and 29,229.33 is: 40,335.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,428.48 : 73,729.50 = 29,229.33 : x
  2. Step 2: Convert to fraction form
    53,428.48/73,729.50 = 29,229.33/x
  3. Step 3: Cross multiply
    53,428.48x = 73,729.50 × 29,229.33
  4. Step 4: Simplify right side
    53,428.48x = 2,155,063,886.24
  5. Step 5: Solve for x
    x = 2,155,063,886.24/53,428.48
  6. Step 6: Final answer
    x = 40,335.49

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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.