Home / 31,713.63-43,754.88-18,283.07

Finding the Fourth Proportional to 31,713.63, 43,754.88 and 18,283.07

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Solution

The fourth proportional to 31,713.63, 43,754.88 and 18,283.07 is: 25,224.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,713.63 : 43,754.88 = 18,283.07 : x
  2. Step 2: Convert to fraction form
    31,713.63/43,754.88 = 18,283.07/x
  3. Step 3: Cross multiply
    31,713.63x = 43,754.88 × 18,283.07
  4. Step 4: Simplify right side
    31,713.63x = 799,973,465.71
  5. Step 5: Solve for x
    x = 799,973,465.71/31,713.63
  6. Step 6: Final answer
    x = 25,224.91

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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.