Home / 64,576.40-89,115.36-35,895.18

Finding the Fourth Proportional to 64,576.40, 89,115.36 and 35,895.18

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Solution

The fourth proportional to 64,576.40, 89,115.36 and 35,895.18 is: 49,535.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,576.40 : 89,115.36 = 35,895.18 : x
  2. Step 2: Convert to fraction form
    64,576.40/89,115.36 = 35,895.18/x
  3. Step 3: Cross multiply
    64,576.40x = 89,115.36 × 35,895.18
  4. Step 4: Simplify right side
    64,576.40x = 3,198,811,887.96
  5. Step 5: Solve for x
    x = 3,198,811,887.96/64,576.40
  6. Step 6: Final answer
    x = 49,535.31

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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.