Home / 63,410.68-87,427.14-40,709.56

Finding the Fourth Proportional to 63,410.68, 87,427.14 and 40,709.56

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Solution

The fourth proportional to 63,410.68, 87,427.14 and 40,709.56 is: 56,128.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,410.68 : 87,427.14 = 40,709.56 : x
  2. Step 2: Convert to fraction form
    63,410.68/87,427.14 = 40,709.56/x
  3. Step 3: Cross multiply
    63,410.68x = 87,427.14 × 40,709.56
  4. Step 4: Simplify right side
    63,410.68x = 3,559,120,401.46
  5. Step 5: Solve for x
    x = 3,559,120,401.46/63,410.68
  6. Step 6: Final answer
    x = 56,128.09

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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.