Home / 31,276.95-43,160.49-17,127.06

Finding the Fourth Proportional to 31,276.95, 43,160.49 and 17,127.06

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Solution

The fourth proportional to 31,276.95, 43,160.49 and 17,127.06 is: 23,634.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,276.95 : 43,160.49 = 17,127.06 : x
  2. Step 2: Convert to fraction form
    31,276.95/43,160.49 = 17,127.06/x
  3. Step 3: Cross multiply
    31,276.95x = 43,160.49 × 17,127.06
  4. Step 4: Simplify right side
    31,276.95x = 739,212,301.86
  5. Step 5: Solve for x
    x = 739,212,301.86/31,276.95
  6. Step 6: Final answer
    x = 23,634.41

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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.