Home / 31,274.61-43,158.54-17,127.46

Finding the Fourth Proportional to 31,274.61, 43,158.54 and 17,127.46

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Solution

The fourth proportional to 31,274.61, 43,158.54 and 17,127.46 is: 23,635.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,274.61 : 43,158.54 = 17,127.46 : x
  2. Step 2: Convert to fraction form
    31,274.61/43,158.54 = 17,127.46/x
  3. Step 3: Cross multiply
    31,274.61x = 43,158.54 × 17,127.46
  4. Step 4: Simplify right side
    31,274.61x = 739,196,167.51
  5. Step 5: Solve for x
    x = 739,196,167.51/31,274.61
  6. Step 6: Final answer
    x = 23,635.66

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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.