Home / 30,854.26-42,578.98-16,707.08

Finding the Fourth Proportional to 30,854.26, 42,578.98 and 16,707.08

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Solution

The fourth proportional to 30,854.26, 42,578.98 and 16,707.08 is: 23,055.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,854.26 : 42,578.98 = 16,707.08 : x
  2. Step 2: Convert to fraction form
    30,854.26/42,578.98 = 16,707.08/x
  3. Step 3: Cross multiply
    30,854.26x = 42,578.98 × 16,707.08
  4. Step 4: Simplify right side
    30,854.26x = 711,370,425.18
  5. Step 5: Solve for x
    x = 711,370,425.18/30,854.26
  6. Step 6: Final answer
    x = 23,055.83

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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.