Home / 52,813.08-72,882.78-28,939.32

Finding the Fourth Proportional to 52,813.08, 72,882.78 and 28,939.32

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Solution

The fourth proportional to 52,813.08, 72,882.78 and 28,939.32 is: 39,936.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,813.08 : 72,882.78 = 28,939.32 : x
  2. Step 2: Convert to fraction form
    52,813.08/72,882.78 = 28,939.32/x
  3. Step 3: Cross multiply
    52,813.08x = 72,882.78 × 28,939.32
  4. Step 4: Simplify right side
    52,813.08x = 2,109,178,092.91
  5. Step 5: Solve for x
    x = 2,109,178,092.91/52,813.08
  6. Step 6: Final answer
    x = 39,936.66

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1.5x scale

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.