Home / 38,346.28-57,501.20-13,383.32

Finding the Fourth Proportional to 38,346.28, 57,501.20 and 13,383.32

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Solution

The fourth proportional to 38,346.28, 57,501.20 and 13,383.32 is: 20,068.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,346.28 : 57,501.20 = 13,383.32 : x
  2. Step 2: Convert to fraction form
    38,346.28/57,501.20 = 13,383.32/x
  3. Step 3: Cross multiply
    38,346.28x = 57,501.20 × 13,383.32
  4. Step 4: Simplify right side
    38,346.28x = 769,556,959.98
  5. Step 5: Solve for x
    x = 769,556,959.98/38,346.28
  6. Step 6: Final answer
    x = 20,068.62

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1.5x scale

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.