Home / 30,764.09-42,454.56-17,335.55

Finding the Fourth Proportional to 30,764.09, 42,454.56 and 17,335.55

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Solution

The fourth proportional to 30,764.09, 42,454.56 and 17,335.55 is: 23,923.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,764.09 : 42,454.56 = 17,335.55 : x
  2. Step 2: Convert to fraction form
    30,764.09/42,454.56 = 17,335.55/x
  3. Step 3: Cross multiply
    30,764.09x = 42,454.56 × 17,335.55
  4. Step 4: Simplify right side
    30,764.09x = 735,972,935.34
  5. Step 5: Solve for x
    x = 735,972,935.34/30,764.09
  6. Step 6: Final answer
    x = 23,923.12

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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.