Home / 43,802.51-65,708.35-20,106.01

Finding the Fourth Proportional to 43,802.51, 65,708.35 and 20,106.01

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Solution

The fourth proportional to 43,802.51, 65,708.35 and 20,106.01 is: 30,161.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,802.51 : 65,708.35 = 20,106.01 : x
  2. Step 2: Convert to fraction form
    43,802.51/65,708.35 = 20,106.01/x
  3. Step 3: Cross multiply
    43,802.51x = 65,708.35 × 20,106.01
  4. Step 4: Simplify right side
    43,802.51x = 1,321,132,641.65
  5. Step 5: Solve for x
    x = 1,321,132,641.65/43,802.51
  6. Step 6: Final answer
    x = 30,161.12

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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.