Home / 52,853.37-72,937.10-28,979.99

Finding the Fourth Proportional to 52,853.37, 72,937.10 and 28,979.99

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Solution

The fourth proportional to 52,853.37, 72,937.10 and 28,979.99 is: 39,992.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,853.37 : 72,937.10 = 28,979.99 : x
  2. Step 2: Convert to fraction form
    52,853.37/72,937.10 = 28,979.99/x
  3. Step 3: Cross multiply
    52,853.37x = 72,937.10 × 28,979.99
  4. Step 4: Simplify right side
    52,853.37x = 2,113,715,919.04
  5. Step 5: Solve for x
    x = 2,113,715,919.04/52,853.37
  6. Step 6: Final answer
    x = 39,992.07

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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.