Home / 53,291.43-79,880.31-40,103.01

Finding the Fourth Proportional to 53,291.43, 79,880.31 and 40,103.01

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Solution

The fourth proportional to 53,291.43, 79,880.31 and 40,103.01 is: 60,111.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,291.43 : 79,880.31 = 40,103.01 : x
  2. Step 2: Convert to fraction form
    53,291.43/79,880.31 = 40,103.01/x
  3. Step 3: Cross multiply
    53,291.43x = 79,880.31 × 40,103.01
  4. Step 4: Simplify right side
    53,291.43x = 3,203,440,870.73
  5. Step 5: Solve for x
    x = 3,203,440,870.73/53,291.43
  6. Step 6: Final answer
    x = 60,111.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.