Home / 52,836.70-72,914.28-28,964.38

Finding the Fourth Proportional to 52,836.70, 72,914.28 and 28,964.38

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Solution

The fourth proportional to 52,836.70, 72,914.28 and 28,964.38 is: 39,970.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,836.70 : 72,914.28 = 28,964.38 : x
  2. Step 2: Convert to fraction form
    52,836.70/72,914.28 = 28,964.38/x
  3. Step 3: Cross multiply
    52,836.70x = 72,914.28 × 28,964.38
  4. Step 4: Simplify right side
    52,836.70x = 2,111,916,913.35
  5. Step 5: Solve for x
    x = 2,111,916,913.35/52,836.70
  6. Step 6: Final answer
    x = 39,970.64

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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.