Home / 31,042.02-42,837.75-16,894.92

Finding the Fourth Proportional to 31,042.02, 42,837.75 and 16,894.92

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Solution

The fourth proportional to 31,042.02, 42,837.75 and 16,894.92 is: 23,314.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,042.02 : 42,837.75 = 16,894.92 : x
  2. Step 2: Convert to fraction form
    31,042.02/42,837.75 = 16,894.92/x
  3. Step 3: Cross multiply
    31,042.02x = 42,837.75 × 16,894.92
  4. Step 4: Simplify right side
    31,042.02x = 723,740,359.23
  5. Step 5: Solve for x
    x = 723,740,359.23/31,042.02
  6. Step 6: Final answer
    x = 23,314.86

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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.