Home / 36,681.31-55,021.96-10,386.05

Finding the Fourth Proportional to 36,681.31, 55,021.96 and 10,386.05

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Solution

The fourth proportional to 36,681.31, 55,021.96 and 10,386.05 is: 15,579.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,681.31 : 55,021.96 = 10,386.05 : x
  2. Step 2: Convert to fraction form
    36,681.31/55,021.96 = 10,386.05/x
  3. Step 3: Cross multiply
    36,681.31x = 55,021.96 × 10,386.05
  4. Step 4: Simplify right side
    36,681.31x = 571,460,691.07
  5. Step 5: Solve for x
    x = 571,460,691.07/36,681.31
  6. Step 6: Final answer
    x = 15,579.07

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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.