Home / 52,837.49-72,919.13-28,964.22

Finding the Fourth Proportional to 52,837.49, 72,919.13 and 28,964.22

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Solution

The fourth proportional to 52,837.49, 72,919.13 and 28,964.22 is: 39,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,837.49 : 72,919.13 = 28,964.22 : x
  2. Step 2: Convert to fraction form
    52,837.49/72,919.13 = 28,964.22/x
  3. Step 3: Cross multiply
    52,837.49x = 72,919.13 × 28,964.22
  4. Step 4: Simplify right side
    52,837.49x = 2,112,045,723.53
  5. Step 5: Solve for x
    x = 2,112,045,723.53/52,837.49
  6. Step 6: Final answer
    x = 39,972.48

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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.