Home / 38,316.81-57,480.60-13,353.27

Finding the Fourth Proportional to 38,316.81, 57,480.60 and 13,353.27

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Solution

The fourth proportional to 38,316.81, 57,480.60 and 13,353.27 is: 20,031.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,316.81 : 57,480.60 = 13,353.27 : x
  2. Step 2: Convert to fraction form
    38,316.81/57,480.60 = 13,353.27/x
  3. Step 3: Cross multiply
    38,316.81x = 57,480.60 × 13,353.27
  4. Step 4: Simplify right side
    38,316.81x = 767,553,684.16
  5. Step 5: Solve for x
    x = 767,553,684.16/38,316.81
  6. Step 6: Final answer
    x = 20,031.78

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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.