Home / 52,778.24-79,172.55-15,338.63

Finding the Fourth Proportional to 52,778.24, 79,172.55 and 15,338.63

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Solution

The fourth proportional to 52,778.24, 79,172.55 and 15,338.63 is: 23,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,778.24 : 79,172.55 = 15,338.63 : x
  2. Step 2: Convert to fraction form
    52,778.24/79,172.55 = 15,338.63/x
  3. Step 3: Cross multiply
    52,778.24x = 79,172.55 × 15,338.63
  4. Step 4: Simplify right side
    52,778.24x = 1,214,398,054.74
  5. Step 5: Solve for x
    x = 1,214,398,054.74/52,778.24
  6. Step 6: Final answer
    x = 23,009.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.