Home / 30,937.07-42,693.26-16,789.91

Finding the Fourth Proportional to 30,937.07, 42,693.26 and 16,789.91

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Solution

The fourth proportional to 30,937.07, 42,693.26 and 16,789.91 is: 23,170.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,937.07 : 42,693.26 = 16,789.91 : x
  2. Step 2: Convert to fraction form
    30,937.07/42,693.26 = 16,789.91/x
  3. Step 3: Cross multiply
    30,937.07x = 42,693.26 × 16,789.91
  4. Step 4: Simplify right side
    30,937.07x = 716,815,695.59
  5. Step 5: Solve for x
    x = 716,815,695.59/30,937.07
  6. Step 6: Final answer
    x = 23,170.13

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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.