Home / 31,274.74-43,159.08-17,127.55

Finding the Fourth Proportional to 31,274.74, 43,159.08 and 17,127.55

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Solution

The fourth proportional to 31,274.74, 43,159.08 and 17,127.55 is: 23,635.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,274.74 : 43,159.08 = 17,127.55 : x
  2. Step 2: Convert to fraction form
    31,274.74/43,159.08 = 17,127.55/x
  3. Step 3: Cross multiply
    31,274.74x = 43,159.08 × 17,127.55
  4. Step 4: Simplify right side
    31,274.74x = 739,209,300.65
  5. Step 5: Solve for x
    x = 739,209,300.65/31,274.74
  6. Step 6: Final answer
    x = 23,635.99

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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.