Home / 54,621.79-81,952.41-19,088.41

Finding the Fourth Proportional to 54,621.79, 81,952.41 and 19,088.41

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Solution

The fourth proportional to 54,621.79, 81,952.41 and 19,088.41 is: 28,639.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,621.79 : 81,952.41 = 19,088.41 : x
  2. Step 2: Convert to fraction form
    54,621.79/81,952.41 = 19,088.41/x
  3. Step 3: Cross multiply
    54,621.79x = 81,952.41 × 19,088.41
  4. Step 4: Simplify right side
    54,621.79x = 1,564,341,202.57
  5. Step 5: Solve for x
    x = 1,564,341,202.57/54,621.79
  6. Step 6: Final answer
    x = 28,639.51

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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.