Home / 31,391.37-43,320.08-17,244.20

Finding the Fourth Proportional to 31,391.37, 43,320.08 and 17,244.20

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Solution

The fourth proportional to 31,391.37, 43,320.08 and 17,244.20 is: 23,797.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,391.37 : 43,320.08 = 17,244.20 : x
  2. Step 2: Convert to fraction form
    31,391.37/43,320.08 = 17,244.20/x
  3. Step 3: Cross multiply
    31,391.37x = 43,320.08 × 17,244.20
  4. Step 4: Simplify right side
    31,391.37x = 747,020,274.95
  5. Step 5: Solve for x
    x = 747,020,274.95/31,391.37
  6. Step 6: Final answer
    x = 23,797.00

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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.