Home / 39,862.58-59,683.14-20,081.16

Finding the Fourth Proportional to 39,862.58, 59,683.14 and 20,081.16

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Solution

The fourth proportional to 39,862.58, 59,683.14 and 20,081.16 is: 30,065.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,862.58 : 59,683.14 = 20,081.16 : x
  2. Step 2: Convert to fraction form
    39,862.58/59,683.14 = 20,081.16/x
  3. Step 3: Cross multiply
    39,862.58x = 59,683.14 × 20,081.16
  4. Step 4: Simplify right side
    39,862.58x = 1,198,506,683.64
  5. Step 5: Solve for x
    x = 1,198,506,683.64/39,862.58
  6. Step 6: Final answer
    x = 30,065.96

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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.