Home / 40,827.81-61,241.72-13,125.81

Finding the Fourth Proportional to 40,827.81, 61,241.72 and 13,125.81

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Solution

The fourth proportional to 40,827.81, 61,241.72 and 13,125.81 is: 19,688.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,827.81 : 61,241.72 = 13,125.81 : x
  2. Step 2: Convert to fraction form
    40,827.81/61,241.72 = 13,125.81/x
  3. Step 3: Cross multiply
    40,827.81x = 61,241.72 × 13,125.81
  4. Step 4: Simplify right side
    40,827.81x = 803,847,180.79
  5. Step 5: Solve for x
    x = 803,847,180.79/40,827.81
  6. Step 6: Final answer
    x = 19,688.72

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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.