Home / 31,274.72-43,159.16-17,127.52

Finding the Fourth Proportional to 31,274.72, 43,159.16 and 17,127.52

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Solution

The fourth proportional to 31,274.72, 43,159.16 and 17,127.52 is: 23,636.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,274.72 : 43,159.16 = 17,127.52 : x
  2. Step 2: Convert to fraction form
    31,274.72/43,159.16 = 17,127.52/x
  3. Step 3: Cross multiply
    31,274.72x = 43,159.16 × 17,127.52
  4. Step 4: Simplify right side
    31,274.72x = 739,209,376.08
  5. Step 5: Solve for x
    x = 739,209,376.08/31,274.72
  6. Step 6: Final answer
    x = 23,636.00

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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.