Home / 52,878.12-72,976.50-29,009.43

Finding the Fourth Proportional to 52,878.12, 72,976.50 and 29,009.43

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Solution

The fourth proportional to 52,878.12, 72,976.50 and 29,009.43 is: 40,035.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,878.12 : 72,976.50 = 29,009.43 : x
  2. Step 2: Convert to fraction form
    52,878.12/72,976.50 = 29,009.43/x
  3. Step 3: Cross multiply
    52,878.12x = 72,976.50 × 29,009.43
  4. Step 4: Simplify right side
    52,878.12x = 2,117,006,668.40
  5. Step 5: Solve for x
    x = 2,117,006,668.40/52,878.12
  6. Step 6: Final answer
    x = 40,035.59

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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.