Home / 42,686.24-64,062.04-19,329.08

Finding the Fourth Proportional to 42,686.24, 64,062.04 and 19,329.08

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Solution

The fourth proportional to 42,686.24, 64,062.04 and 19,329.08 is: 29,008.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,686.24 : 64,062.04 = 19,329.08 : x
  2. Step 2: Convert to fraction form
    42,686.24/64,062.04 = 19,329.08/x
  3. Step 3: Cross multiply
    42,686.24x = 64,062.04 × 19,329.08
  4. Step 4: Simplify right side
    42,686.24x = 1,238,260,296.12
  5. Step 5: Solve for x
    x = 1,238,260,296.12/42,686.24
  6. Step 6: Final answer
    x = 29,008.42

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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.