Home / 52,821.74-72,894.56-28,947.89

Finding the Fourth Proportional to 52,821.74, 72,894.56 and 28,947.89

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Solution

The fourth proportional to 52,821.74, 72,894.56 and 28,947.89 is: 39,948.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,821.74 : 72,894.56 = 28,947.89 : x
  2. Step 2: Convert to fraction form
    52,821.74/72,894.56 = 28,947.89/x
  3. Step 3: Cross multiply
    52,821.74x = 72,894.56 × 28,947.89
  4. Step 4: Simplify right side
    52,821.74x = 2,110,143,195.27
  5. Step 5: Solve for x
    x = 2,110,143,195.27/52,821.74
  6. Step 6: Final answer
    x = 39,948.39

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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.