Home / 52,853.62-72,937.44-28,980.24

Finding the Fourth Proportional to 52,853.62, 72,937.44 and 28,980.24

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Solution

The fourth proportional to 52,853.62, 72,937.44 and 28,980.24 is: 39,992.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,853.62 : 72,937.44 = 28,980.24 : x
  2. Step 2: Convert to fraction form
    52,853.62/72,937.44 = 28,980.24/x
  3. Step 3: Cross multiply
    52,853.62x = 72,937.44 × 28,980.24
  4. Step 4: Simplify right side
    52,853.62x = 2,113,744,516.19
  5. Step 5: Solve for x
    x = 2,113,744,516.19/52,853.62
  6. Step 6: Final answer
    x = 39,992.43

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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.