Home / 36,106.29-54,139.59-11,139.53

Finding the Fourth Proportional to 36,106.29, 54,139.59 and 11,139.53

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Solution

The fourth proportional to 36,106.29, 54,139.59 and 11,139.53 is: 16,703.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,106.29 : 54,139.59 = 11,139.53 : x
  2. Step 2: Convert to fraction form
    36,106.29/54,139.59 = 11,139.53/x
  3. Step 3: Cross multiply
    36,106.29x = 54,139.59 × 11,139.53
  4. Step 4: Simplify right side
    36,106.29x = 603,089,316.29
  5. Step 5: Solve for x
    x = 603,089,316.29/36,106.29
  6. Step 6: Final answer
    x = 16,703.16

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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.