Home / 52,720.12-79,054.66-19,455.85

Finding the Fourth Proportional to 52,720.12, 79,054.66 and 19,455.85

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Solution

The fourth proportional to 52,720.12, 79,054.66 and 19,455.85 is: 29,174.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,720.12 : 79,054.66 = 19,455.85 : x
  2. Step 2: Convert to fraction form
    52,720.12/79,054.66 = 19,455.85/x
  3. Step 3: Cross multiply
    52,720.12x = 79,054.66 × 19,455.85
  4. Step 4: Simplify right side
    52,720.12x = 1,538,075,606.76
  5. Step 5: Solve for x
    x = 1,538,075,606.76/52,720.12
  6. Step 6: Final answer
    x = 29,174.36

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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.