Home / 49,988.08-68,985.64-28,767.42

Finding the Fourth Proportional to 49,988.08, 68,985.64 and 28,767.42

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Solution

The fourth proportional to 49,988.08, 68,985.64 and 28,767.42 is: 39,700.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,988.08 : 68,985.64 = 28,767.42 : x
  2. Step 2: Convert to fraction form
    49,988.08/68,985.64 = 28,767.42/x
  3. Step 3: Cross multiply
    49,988.08x = 68,985.64 × 28,767.42
  4. Step 4: Simplify right side
    49,988.08x = 1,984,538,879.85
  5. Step 5: Solve for x
    x = 1,984,538,879.85/49,988.08
  6. Step 6: Final answer
    x = 39,700.24

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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.