Home / 64,731.24-89,329.74-36,431.46

Finding the Fourth Proportional to 64,731.24, 89,329.74 and 36,431.46

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Solution

The fourth proportional to 64,731.24, 89,329.74 and 36,431.46 is: 50,275.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,731.24 : 89,329.74 = 36,431.46 : x
  2. Step 2: Convert to fraction form
    64,731.24/89,329.74 = 36,431.46/x
  3. Step 3: Cross multiply
    64,731.24x = 89,329.74 × 36,431.46
  4. Step 4: Simplify right side
    64,731.24x = 3,254,412,849.62
  5. Step 5: Solve for x
    x = 3,254,412,849.62/64,731.24
  6. Step 6: Final answer
    x = 50,275.77

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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.