Home / 55,084.02-82,639.53-17,644.20

Finding the Fourth Proportional to 55,084.02, 82,639.53 and 17,644.20

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Solution

The fourth proportional to 55,084.02, 82,639.53 and 17,644.20 is: 26,470.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,084.02 : 82,639.53 = 17,644.20 : x
  2. Step 2: Convert to fraction form
    55,084.02/82,639.53 = 17,644.20/x
  3. Step 3: Cross multiply
    55,084.02x = 82,639.53 × 17,644.20
  4. Step 4: Simplify right side
    55,084.02x = 1,458,108,395.23
  5. Step 5: Solve for x
    x = 1,458,108,395.23/55,084.02
  6. Step 6: Final answer
    x = 26,470.62

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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.