Home / 31,254.09-43,130.57-17,106.81

Finding the Fourth Proportional to 31,254.09, 43,130.57 and 17,106.81

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Solution

The fourth proportional to 31,254.09, 43,130.57 and 17,106.81 is: 23,607.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,254.09 : 43,130.57 = 17,106.81 : x
  2. Step 2: Convert to fraction form
    31,254.09/43,130.57 = 17,106.81/x
  3. Step 3: Cross multiply
    31,254.09x = 43,130.57 × 17,106.81
  4. Step 4: Simplify right side
    31,254.09x = 737,826,380.65
  5. Step 5: Solve for x
    x = 737,826,380.65/31,254.09
  6. Step 6: Final answer
    x = 23,607.35

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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.