Home / 55,716.08-83,586.43-20,655.74

Finding the Fourth Proportional to 55,716.08, 83,586.43 and 20,655.74

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Solution

The fourth proportional to 55,716.08, 83,586.43 and 20,655.74 is: 30,988.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,716.08 : 83,586.43 = 20,655.74 : x
  2. Step 2: Convert to fraction form
    55,716.08/83,586.43 = 20,655.74/x
  3. Step 3: Cross multiply
    55,716.08x = 83,586.43 × 20,655.74
  4. Step 4: Simplify right side
    55,716.08x = 1,726,539,409.49
  5. Step 5: Solve for x
    x = 1,726,539,409.49/55,716.08
  6. Step 6: Final answer
    x = 30,988.17

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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.