Home / 31,606.60-43,617-18,177.22

Finding the Fourth Proportional to 31,606.60, 43,617 and 18,177.22

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Solution

The fourth proportional to 31,606.60, 43,617 and 18,177.22 is: 25,084.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,606.60 : 43,617 = 18,177.22 : x
  2. Step 2: Convert to fraction form
    31,606.60/43,617 = 18,177.22/x
  3. Step 3: Cross multiply
    31,606.60x = 43,617 × 18,177.22
  4. Step 4: Simplify right side
    31,606.60x = 792,835,804.74
  5. Step 5: Solve for x
    x = 792,835,804.74/31,606.60
  6. Step 6: Final answer
    x = 25,084.50

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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.