Home / 64,579.28-89,120.18-35,900.69

Finding the Fourth Proportional to 64,579.28, 89,120.18 and 35,900.69

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Solution

The fourth proportional to 64,579.28, 89,120.18 and 35,900.69 is: 49,543.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,579.28 : 89,120.18 = 35,900.69 : x
  2. Step 2: Convert to fraction form
    64,579.28/89,120.18 = 35,900.69/x
  3. Step 3: Cross multiply
    64,579.28x = 89,120.18 × 35,900.69
  4. Step 4: Simplify right side
    64,579.28x = 3,199,475,599.08
  5. Step 5: Solve for x
    x = 3,199,475,599.08/64,579.28
  6. Step 6: Final answer
    x = 49,543.38

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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.