Home / 57,645.11-86,464.16-21,614.45

Finding the Fourth Proportional to 57,645.11, 86,464.16 and 21,614.45

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Solution

The fourth proportional to 57,645.11, 86,464.16 and 21,614.45 is: 32,420.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,645.11 : 86,464.16 = 21,614.45 : x
  2. Step 2: Convert to fraction form
    57,645.11/86,464.16 = 21,614.45/x
  3. Step 3: Cross multiply
    57,645.11x = 86,464.16 × 21,614.45
  4. Step 4: Simplify right side
    57,645.11x = 1,868,875,263.11
  5. Step 5: Solve for x
    x = 1,868,875,263.11/57,645.11
  6. Step 6: Final answer
    x = 32,420.36

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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.