Home / 36,001.56-49,681.80-19,869

Finding the Fourth Proportional to 36,001.56, 49,681.80 and 19,869

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Solution

The fourth proportional to 36,001.56, 49,681.80 and 19,869 is: 27,419.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,001.56 : 49,681.80 = 19,869 : x
  2. Step 2: Convert to fraction form
    36,001.56/49,681.80 = 19,869/x
  3. Step 3: Cross multiply
    36,001.56x = 49,681.80 × 19,869
  4. Step 4: Simplify right side
    36,001.56x = 987,127,684.20
  5. Step 5: Solve for x
    x = 987,127,684.20/36,001.56
  6. Step 6: Final answer
    x = 27,419.03

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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.