Home / 38,574.19-57,865.95-13,609.12

Finding the Fourth Proportional to 38,574.19, 57,865.95 and 13,609.12

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Solution

The fourth proportional to 38,574.19, 57,865.95 and 13,609.12 is: 20,415.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,574.19 : 57,865.95 = 13,609.12 : x
  2. Step 2: Convert to fraction form
    38,574.19/57,865.95 = 13,609.12/x
  3. Step 3: Cross multiply
    38,574.19x = 57,865.95 × 13,609.12
  4. Step 4: Simplify right side
    38,574.19x = 787,504,300.09
  5. Step 5: Solve for x
    x = 787,504,300.09/38,574.19
  6. Step 6: Final answer
    x = 20,415.32

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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.