Home / 55,716.65-83,587.26-20,656.31

Finding the Fourth Proportional to 55,716.65, 83,587.26 and 20,656.31

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Solution

The fourth proportional to 55,716.65, 83,587.26 and 20,656.31 is: 30,989.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,716.65 : 83,587.26 = 20,656.31 : x
  2. Step 2: Convert to fraction form
    55,716.65/83,587.26 = 20,656.31/x
  3. Step 3: Cross multiply
    55,716.65x = 83,587.26 × 20,656.31
  4. Step 4: Simplify right side
    55,716.65x = 1,726,604,014.14
  5. Step 5: Solve for x
    x = 1,726,604,014.14/55,716.65
  6. Step 6: Final answer
    x = 30,989.01

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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.