Home / 52,043.12-78,055.80-18,756.56

Finding the Fourth Proportional to 52,043.12, 78,055.80 and 18,756.56

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Solution

The fourth proportional to 52,043.12, 78,055.80 and 18,756.56 is: 28,131.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,043.12 : 78,055.80 = 18,756.56 : x
  2. Step 2: Convert to fraction form
    52,043.12/78,055.80 = 18,756.56/x
  3. Step 3: Cross multiply
    52,043.12x = 78,055.80 × 18,756.56
  4. Step 4: Simplify right side
    52,043.12x = 1,464,058,296.05
  5. Step 5: Solve for x
    x = 1,464,058,296.05/52,043.12
  6. Step 6: Final answer
    x = 28,131.64

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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.