Home / 64,864.18-89,511.38-36,569.90

Finding the Fourth Proportional to 64,864.18, 89,511.38 and 36,569.90

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Solution

The fourth proportional to 64,864.18, 89,511.38 and 36,569.90 is: 50,465.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,864.18 : 89,511.38 = 36,569.90 : x
  2. Step 2: Convert to fraction form
    64,864.18/89,511.38 = 36,569.90/x
  3. Step 3: Cross multiply
    64,864.18x = 89,511.38 × 36,569.90
  4. Step 4: Simplify right side
    64,864.18x = 3,273,422,215.46
  5. Step 5: Solve for x
    x = 3,273,422,215.46/64,864.18
  6. Step 6: Final answer
    x = 50,465.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.