Home / 63,664.65-87,858.69-34,986.10

Finding the Fourth Proportional to 63,664.65, 87,858.69 and 34,986.10

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Solution

The fourth proportional to 63,664.65, 87,858.69 and 34,986.10 is: 48,281.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,664.65 : 87,858.69 = 34,986.10 : x
  2. Step 2: Convert to fraction form
    63,664.65/87,858.69 = 34,986.10/x
  3. Step 3: Cross multiply
    63,664.65x = 87,858.69 × 34,986.10
  4. Step 4: Simplify right side
    63,664.65x = 3,073,832,563.36
  5. Step 5: Solve for x
    x = 3,073,832,563.36/63,664.65
  6. Step 6: Final answer
    x = 48,281.62

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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.