Home / 31,506.56-43,487.45-18,597.18

Finding the Fourth Proportional to 31,506.56, 43,487.45 and 18,597.18

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Solution

The fourth proportional to 31,506.56, 43,487.45 and 18,597.18 is: 25,669.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506.56 : 43,487.45 = 18,597.18 : x
  2. Step 2: Convert to fraction form
    31,506.56/43,487.45 = 18,597.18/x
  3. Step 3: Cross multiply
    31,506.56x = 43,487.45 × 18,597.18
  4. Step 4: Simplify right side
    31,506.56x = 808,743,935.39
  5. Step 5: Solve for x
    x = 808,743,935.39/31,506.56
  6. Step 6: Final answer
    x = 25,669.06

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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.