Home / 30,937.27-42,693.45-16,790.11

Finding the Fourth Proportional to 30,937.27, 42,693.45 and 16,790.11

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Solution

The fourth proportional to 30,937.27, 42,693.45 and 16,790.11 is: 23,170.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,937.27 : 42,693.45 = 16,790.11 : x
  2. Step 2: Convert to fraction form
    30,937.27/42,693.45 = 16,790.11/x
  3. Step 3: Cross multiply
    30,937.27x = 42,693.45 × 16,790.11
  4. Step 4: Simplify right side
    30,937.27x = 716,827,508.31
  5. Step 5: Solve for x
    x = 716,827,508.31/30,937.27
  6. Step 6: Final answer
    x = 23,170.36

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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.