Home / 40,257.19-60,372.12-15,291.22

Finding the Fourth Proportional to 40,257.19, 60,372.12 and 15,291.22

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Solution

The fourth proportional to 40,257.19, 60,372.12 and 15,291.22 is: 22,931.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,257.19 : 60,372.12 = 15,291.22 : x
  2. Step 2: Convert to fraction form
    40,257.19/60,372.12 = 15,291.22/x
  3. Step 3: Cross multiply
    40,257.19x = 60,372.12 × 15,291.22
  4. Step 4: Simplify right side
    40,257.19x = 923,163,368.79
  5. Step 5: Solve for x
    x = 923,163,368.79/40,257.19
  6. Step 6: Final answer
    x = 22,931.64

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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.