Home / 40,856.96-61,228.74-18,615.98

Finding the Fourth Proportional to 40,856.96, 61,228.74 and 18,615.98

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Solution

The fourth proportional to 40,856.96, 61,228.74 and 18,615.98 is: 27,898.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,856.96 : 61,228.74 = 18,615.98 : x
  2. Step 2: Convert to fraction form
    40,856.96/61,228.74 = 18,615.98/x
  3. Step 3: Cross multiply
    40,856.96x = 61,228.74 × 18,615.98
  4. Step 4: Simplify right side
    40,856.96x = 1,139,832,999.27
  5. Step 5: Solve for x
    x = 1,139,832,999.27/40,856.96
  6. Step 6: Final answer
    x = 27,898.14

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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.