Home / 30,825.36-42,535.80-17,397.36

Finding the Fourth Proportional to 30,825.36, 42,535.80 and 17,397.36

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Solution

The fourth proportional to 30,825.36, 42,535.80 and 17,397.36 is: 24,006.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,825.36 : 42,535.80 = 17,397.36 : x
  2. Step 2: Convert to fraction form
    30,825.36/42,535.80 = 17,397.36/x
  3. Step 3: Cross multiply
    30,825.36x = 42,535.80 × 17,397.36
  4. Step 4: Simplify right side
    30,825.36x = 740,010,625.49
  5. Step 5: Solve for x
    x = 740,010,625.49/30,825.36
  6. Step 6: Final answer
    x = 24,006.55

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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.