Home / 59,977.26-89,979.66-20,534.31

Finding the Fourth Proportional to 59,977.26, 89,979.66 and 20,534.31

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Solution

The fourth proportional to 59,977.26, 89,979.66 and 20,534.31 is: 30,806.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,977.26 : 89,979.66 = 20,534.31 : x
  2. Step 2: Convert to fraction form
    59,977.26/89,979.66 = 20,534.31/x
  3. Step 3: Cross multiply
    59,977.26x = 89,979.66 × 20,534.31
  4. Step 4: Simplify right side
    59,977.26x = 1,847,670,232.13
  5. Step 5: Solve for x
    x = 1,847,670,232.13/59,977.26
  6. Step 6: Final answer
    x = 30,806.18

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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.