Home / 31,606.29-43,617.95-18,177.54

Finding the Fourth Proportional to 31,606.29, 43,617.95 and 18,177.54

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Solution

The fourth proportional to 31,606.29, 43,617.95 and 18,177.54 is: 25,085.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,606.29 : 43,617.95 = 18,177.54 : x
  2. Step 2: Convert to fraction form
    31,606.29/43,617.95 = 18,177.54/x
  3. Step 3: Cross multiply
    31,606.29x = 43,617.95 × 18,177.54
  4. Step 4: Simplify right side
    31,606.29x = 792,867,030.84
  5. Step 5: Solve for x
    x = 792,867,030.84/31,606.29
  6. Step 6: Final answer
    x = 25,085.74

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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.