Home / 30,785.29-42,484.08-17,353.87

Finding the Fourth Proportional to 30,785.29, 42,484.08 and 17,353.87

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Solution

The fourth proportional to 30,785.29, 42,484.08 and 17,353.87 is: 23,948.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,785.29 : 42,484.08 = 17,353.87 : x
  2. Step 2: Convert to fraction form
    30,785.29/42,484.08 = 17,353.87/x
  3. Step 3: Cross multiply
    30,785.29x = 42,484.08 × 17,353.87
  4. Step 4: Simplify right side
    30,785.29x = 737,263,201.39
  5. Step 5: Solve for x
    x = 737,263,201.39/30,785.29
  6. Step 6: Final answer
    x = 23,948.55

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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.