Home / 39,618.80-54,688.20-27,034.64

Finding the Fourth Proportional to 39,618.80, 54,688.20 and 27,034.64

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Solution

The fourth proportional to 39,618.80, 54,688.20 and 27,034.64 is: 37,317.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,618.80 : 54,688.20 = 27,034.64 : x
  2. Step 2: Convert to fraction form
    39,618.80/54,688.20 = 27,034.64/x
  3. Step 3: Cross multiply
    39,618.80x = 54,688.20 × 27,034.64
  4. Step 4: Simplify right side
    39,618.80x = 1,478,475,799.25
  5. Step 5: Solve for x
    x = 1,478,475,799.25/39,618.80
  6. Step 6: Final answer
    x = 37,317.53

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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.