Home / 62,919.05-86,840.21-40,267.67

Finding the Fourth Proportional to 62,919.05, 86,840.21 and 40,267.67

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Solution

The fourth proportional to 62,919.05, 86,840.21 and 40,267.67 is: 55,577.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,919.05 : 86,840.21 = 40,267.67 : x
  2. Step 2: Convert to fraction form
    62,919.05/86,840.21 = 40,267.67/x
  3. Step 3: Cross multiply
    62,919.05x = 86,840.21 × 40,267.67
  4. Step 4: Simplify right side
    62,919.05x = 3,496,852,585.48
  5. Step 5: Solve for x
    x = 3,496,852,585.48/62,919.05
  6. Step 6: Final answer
    x = 55,577.01

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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.