Home / 31,235.02-43,107.29-17,089.99

Finding the Fourth Proportional to 31,235.02, 43,107.29 and 17,089.99

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Solution

The fourth proportional to 31,235.02, 43,107.29 and 17,089.99 is: 23,585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,235.02 : 43,107.29 = 17,089.99 : x
  2. Step 2: Convert to fraction form
    31,235.02/43,107.29 = 17,089.99/x
  3. Step 3: Cross multiply
    31,235.02x = 43,107.29 × 17,089.99
  4. Step 4: Simplify right side
    31,235.02x = 736,703,025.90
  5. Step 5: Solve for x
    x = 736,703,025.90/31,235.02
  6. Step 6: Final answer
    x = 23,585.80

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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.