Home / 39,064.11-53,907.83-21,158.96

Finding the Fourth Proportional to 39,064.11, 53,907.83 and 21,158.96

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Solution

The fourth proportional to 39,064.11, 53,907.83 and 21,158.96 is: 29,199.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,064.11 : 53,907.83 = 21,158.96 : x
  2. Step 2: Convert to fraction form
    39,064.11/53,907.83 = 21,158.96/x
  3. Step 3: Cross multiply
    39,064.11x = 53,907.83 × 21,158.96
  4. Step 4: Simplify right side
    39,064.11x = 1,140,633,322.67
  5. Step 5: Solve for x
    x = 1,140,633,322.67/39,064.11
  6. Step 6: Final answer
    x = 29,199.01

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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.