Home / 63,617.04-87,751.80-40,986

Finding the Fourth Proportional to 63,617.04, 87,751.80 and 40,986

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Solution

The fourth proportional to 63,617.04, 87,751.80 and 40,986 is: 56,535.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,617.04 : 87,751.80 = 40,986 : x
  2. Step 2: Convert to fraction form
    63,617.04/87,751.80 = 40,986/x
  3. Step 3: Cross multiply
    63,617.04x = 87,751.80 × 40,986
  4. Step 4: Simplify right side
    63,617.04x = 3,596,595,274.80
  5. Step 5: Solve for x
    x = 3,596,595,274.80/63,617.04
  6. Step 6: Final answer
    x = 56,535.09

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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.