Home / 30,765.57-42,456.66-17,337.03

Finding the Fourth Proportional to 30,765.57, 42,456.66 and 17,337.03

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Solution

The fourth proportional to 30,765.57, 42,456.66 and 17,337.03 is: 23,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,765.57 : 42,456.66 = 17,337.03 : x
  2. Step 2: Convert to fraction form
    30,765.57/42,456.66 = 17,337.03/x
  3. Step 3: Cross multiply
    30,765.57x = 42,456.66 × 17,337.03
  4. Step 4: Simplify right side
    30,765.57x = 736,072,388.12
  5. Step 5: Solve for x
    x = 736,072,388.12/30,765.57
  6. Step 6: Final answer
    x = 23,925.20

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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.