Home / 54,622.50-81,946.71-17,686.50

Finding the Fourth Proportional to 54,622.50, 81,946.71 and 17,686.50

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Solution

The fourth proportional to 54,622.50, 81,946.71 and 17,686.50 is: 26,533.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,622.50 : 81,946.71 = 17,686.50 : x
  2. Step 2: Convert to fraction form
    54,622.50/81,946.71 = 17,686.50/x
  3. Step 3: Cross multiply
    54,622.50x = 81,946.71 × 17,686.50
  4. Step 4: Simplify right side
    54,622.50x = 1,449,350,486.42
  5. Step 5: Solve for x
    x = 1,449,350,486.42/54,622.50
  6. Step 6: Final answer
    x = 26,533.95

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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.