Home / 63,270.27-87,290.87-40,607.55

Finding the Fourth Proportional to 63,270.27, 87,290.87 and 40,607.55

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Solution

The fourth proportional to 63,270.27, 87,290.87 and 40,607.55 is: 56,024.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,270.27 : 87,290.87 = 40,607.55 : x
  2. Step 2: Convert to fraction form
    63,270.27/87,290.87 = 40,607.55/x
  3. Step 3: Cross multiply
    63,270.27x = 87,290.87 × 40,607.55
  4. Step 4: Simplify right side
    63,270.27x = 3,544,668,165.03
  5. Step 5: Solve for x
    x = 3,544,668,165.03/63,270.27
  6. Step 6: Final answer
    x = 56,024.23

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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.