Home / 31,322.61-43,226.19-17,176.77

Finding the Fourth Proportional to 31,322.61, 43,226.19 and 17,176.77

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Solution

The fourth proportional to 31,322.61, 43,226.19 and 17,176.77 is: 23,704.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,322.61 : 43,226.19 = 17,176.77 : x
  2. Step 2: Convert to fraction form
    31,322.61/43,226.19 = 17,176.77/x
  3. Step 3: Cross multiply
    31,322.61x = 43,226.19 × 17,176.77
  4. Step 4: Simplify right side
    31,322.61x = 742,486,323.61
  5. Step 5: Solve for x
    x = 742,486,323.61/31,322.61
  6. Step 6: Final answer
    x = 23,704.48

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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.