Home / 30,518.26-42,115.15-17,089.52

Finding the Fourth Proportional to 30,518.26, 42,115.15 and 17,089.52

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Solution

The fourth proportional to 30,518.26, 42,115.15 and 17,089.52 is: 23,583.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,518.26 : 42,115.15 = 17,089.52 : x
  2. Step 2: Convert to fraction form
    30,518.26/42,115.15 = 17,089.52/x
  3. Step 3: Cross multiply
    30,518.26x = 42,115.15 × 17,089.52
  4. Step 4: Simplify right side
    30,518.26x = 719,727,698.23
  5. Step 5: Solve for x
    x = 719,727,698.23/30,518.26
  6. Step 6: Final answer
    x = 23,583.51

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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.