Home / 30,572.66-42,194.60-16,963.76

Finding the Fourth Proportional to 30,572.66, 42,194.60 and 16,963.76

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Solution

The fourth proportional to 30,572.66, 42,194.60 and 16,963.76 is: 23,412.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,572.66 : 42,194.60 = 16,963.76 : x
  2. Step 2: Convert to fraction form
    30,572.66/42,194.60 = 16,963.76/x
  3. Step 3: Cross multiply
    30,572.66x = 42,194.60 × 16,963.76
  4. Step 4: Simplify right side
    30,572.66x = 715,779,067.70
  5. Step 5: Solve for x
    x = 715,779,067.70/30,572.66
  6. Step 6: Final answer
    x = 23,412.39

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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.