Home / 52,231.51-72,079.86-28,358.19

Finding the Fourth Proportional to 52,231.51, 72,079.86 and 28,358.19

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Solution

The fourth proportional to 52,231.51, 72,079.86 and 28,358.19 is: 39,134.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,231.51 : 72,079.86 = 28,358.19 : x
  2. Step 2: Convert to fraction form
    52,231.51/72,079.86 = 28,358.19/x
  3. Step 3: Cross multiply
    52,231.51x = 72,079.86 × 28,358.19
  4. Step 4: Simplify right side
    52,231.51x = 2,044,054,365.05
  5. Step 5: Solve for x
    x = 2,044,054,365.05/52,231.51
  6. Step 6: Final answer
    x = 39,134.51

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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.