Home / 31,332.37-43,238.08-17,720.18

Finding the Fourth Proportional to 31,332.37, 43,238.08 and 17,720.18

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Solution

The fourth proportional to 31,332.37, 43,238.08 and 17,720.18 is: 24,453.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,332.37 : 43,238.08 = 17,720.18 : x
  2. Step 2: Convert to fraction form
    31,332.37/43,238.08 = 17,720.18/x
  3. Step 3: Cross multiply
    31,332.37x = 43,238.08 × 17,720.18
  4. Step 4: Simplify right side
    31,332.37x = 766,186,344.26
  5. Step 5: Solve for x
    x = 766,186,344.26/31,332.37
  6. Step 6: Final answer
    x = 24,453.51

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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.