Home / 36,918.31-55,378.25-13,227.40

Finding the Fourth Proportional to 36,918.31, 55,378.25 and 13,227.40

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Solution

The fourth proportional to 36,918.31, 55,378.25 and 13,227.40 is: 19,841.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,918.31 : 55,378.25 = 13,227.40 : x
  2. Step 2: Convert to fraction form
    36,918.31/55,378.25 = 13,227.40/x
  3. Step 3: Cross multiply
    36,918.31x = 55,378.25 × 13,227.40
  4. Step 4: Simplify right side
    36,918.31x = 732,510,264.05
  5. Step 5: Solve for x
    x = 732,510,264.05/36,918.31
  6. Step 6: Final answer
    x = 19,841.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.