Home / 54,196.24-81,320.28-19,152.40

Finding the Fourth Proportional to 54,196.24, 81,320.28 and 19,152.40

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Solution

The fourth proportional to 54,196.24, 81,320.28 and 19,152.40 is: 28,737.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,196.24 : 81,320.28 = 19,152.40 : x
  2. Step 2: Convert to fraction form
    54,196.24/81,320.28 = 19,152.40/x
  3. Step 3: Cross multiply
    54,196.24x = 81,320.28 × 19,152.40
  4. Step 4: Simplify right side
    54,196.24x = 1,557,478,530.67
  5. Step 5: Solve for x
    x = 1,557,478,530.67/54,196.24
  6. Step 6: Final answer
    x = 28,737.76

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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.