Home / 31,505.56-43,486.07-18,596.18

Finding the Fourth Proportional to 31,505.56, 43,486.07 and 18,596.18

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Solution

The fourth proportional to 31,505.56, 43,486.07 and 18,596.18 is: 25,667.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505.56 : 43,486.07 = 18,596.18 : x
  2. Step 2: Convert to fraction form
    31,505.56/43,486.07 = 18,596.18/x
  3. Step 3: Cross multiply
    31,505.56x = 43,486.07 × 18,596.18
  4. Step 4: Simplify right side
    31,505.56x = 808,674,800.95
  5. Step 5: Solve for x
    x = 808,674,800.95/31,505.56
  6. Step 6: Final answer
    x = 25,667.69

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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.