Home / 55,914.15-83,875.79-15,936.20

Finding the Fourth Proportional to 55,914.15, 83,875.79 and 15,936.20

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Solution

The fourth proportional to 55,914.15, 83,875.79 and 15,936.20 is: 23,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,914.15 : 83,875.79 = 15,936.20 : x
  2. Step 2: Convert to fraction form
    55,914.15/83,875.79 = 15,936.20/x
  3. Step 3: Cross multiply
    55,914.15x = 83,875.79 × 15,936.20
  4. Step 4: Simplify right side
    55,914.15x = 1,336,661,364.60
  5. Step 5: Solve for x
    x = 1,336,661,364.60/55,914.15
  6. Step 6: Final answer
    x = 23,905.60

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1.5x scale

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.