Home / 30,554.16-42,164.35-17,125.39

Finding the Fourth Proportional to 30,554.16, 42,164.35 and 17,125.39

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Solution

The fourth proportional to 30,554.16, 42,164.35 and 17,125.39 is: 23,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,554.16 : 42,164.35 = 17,125.39 : x
  2. Step 2: Convert to fraction form
    30,554.16/42,164.35 = 17,125.39/x
  3. Step 3: Cross multiply
    30,554.16x = 42,164.35 × 17,125.39
  4. Step 4: Simplify right side
    30,554.16x = 722,080,937.85
  5. Step 5: Solve for x
    x = 722,080,937.85/30,554.16
  6. Step 6: Final answer
    x = 23,632.82

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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.