Home / 52,849.51-72,932.30-28,975.68

Finding the Fourth Proportional to 52,849.51, 72,932.30 and 28,975.68

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Solution

The fourth proportional to 52,849.51, 72,932.30 and 28,975.68 is: 39,986.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,849.51 : 72,932.30 = 28,975.68 : x
  2. Step 2: Convert to fraction form
    52,849.51/72,932.30 = 28,975.68/x
  3. Step 3: Cross multiply
    52,849.51x = 72,932.30 × 28,975.68
  4. Step 4: Simplify right side
    52,849.51x = 2,113,262,621.80
  5. Step 5: Solve for x
    x = 2,113,262,621.80/52,849.51
  6. Step 6: Final answer
    x = 39,986.42

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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.