Home / 55,941.60-83,965.14-20,437.32

Finding the Fourth Proportional to 55,941.60, 83,965.14 and 20,437.32

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Solution

The fourth proportional to 55,941.60, 83,965.14 and 20,437.32 is: 30,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,941.60 : 83,965.14 = 20,437.32 : x
  2. Step 2: Convert to fraction form
    55,941.60/83,965.14 = 20,437.32/x
  3. Step 3: Cross multiply
    55,941.60x = 83,965.14 × 20,437.32
  4. Step 4: Simplify right side
    55,941.60x = 1,716,022,435.02
  5. Step 5: Solve for x
    x = 1,716,022,435.02/55,941.60
  6. Step 6: Final answer
    x = 30,675.25

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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.