Home / 55,711.09-83,577.48-23,689.80

Finding the Fourth Proportional to 55,711.09, 83,577.48 and 23,689.80

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Solution

The fourth proportional to 55,711.09, 83,577.48 and 23,689.80 is: 35,539.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,711.09 : 83,577.48 = 23,689.80 : x
  2. Step 2: Convert to fraction form
    55,711.09/83,577.48 = 23,689.80/x
  3. Step 3: Cross multiply
    55,711.09x = 83,577.48 × 23,689.80
  4. Step 4: Simplify right side
    55,711.09x = 1,979,934,066.12
  5. Step 5: Solve for x
    x = 1,979,934,066.12/55,711.09
  6. Step 6: Final answer
    x = 35,539.32

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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.