Home / 53,278.56-79,931.68-43,806.49

Finding the Fourth Proportional to 53,278.56, 79,931.68 and 43,806.49

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Solution

The fourth proportional to 53,278.56, 79,931.68 and 43,806.49 is: 65,721.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,278.56 : 79,931.68 = 43,806.49 : x
  2. Step 2: Convert to fraction form
    53,278.56/79,931.68 = 43,806.49/x
  3. Step 3: Cross multiply
    53,278.56x = 79,931.68 × 43,806.49
  4. Step 4: Simplify right side
    53,278.56x = 3,501,526,340.60
  5. Step 5: Solve for x
    x = 3,501,526,340.60/53,278.56
  6. Step 6: Final answer
    x = 65,721.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.