Home / 52,816.19-72,888.12-28,942.65

Finding the Fourth Proportional to 52,816.19, 72,888.12 and 28,942.65

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Solution

The fourth proportional to 52,816.19, 72,888.12 and 28,942.65 is: 39,941.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,816.19 : 72,888.12 = 28,942.65 : x
  2. Step 2: Convert to fraction form
    52,816.19/72,888.12 = 28,942.65/x
  3. Step 3: Cross multiply
    52,816.19x = 72,888.12 × 28,942.65
  4. Step 4: Simplify right side
    52,816.19x = 2,109,575,346.32
  5. Step 5: Solve for x
    x = 2,109,575,346.32/52,816.19
  6. Step 6: Final answer
    x = 39,941.83

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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.