Home / 31,303.68-43,197.12-17,155.52

Finding the Fourth Proportional to 31,303.68, 43,197.12 and 17,155.52

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Solution

The fourth proportional to 31,303.68, 43,197.12 and 17,155.52 is: 23,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,303.68 : 43,197.12 = 17,155.52 : x
  2. Step 2: Convert to fraction form
    31,303.68/43,197.12 = 17,155.52/x
  3. Step 3: Cross multiply
    31,303.68x = 43,197.12 × 17,155.52
  4. Step 4: Simplify right side
    31,303.68x = 741,069,056.10
  5. Step 5: Solve for x
    x = 741,069,056.10/31,303.68
  6. Step 6: Final answer
    x = 23,673.54

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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.