Home / 52,218.35-78,327.44-18,938.35

Finding the Fourth Proportional to 52,218.35, 78,327.44 and 18,938.35

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Solution

The fourth proportional to 52,218.35, 78,327.44 and 18,938.35 is: 28,407.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,218.35 : 78,327.44 = 18,938.35 : x
  2. Step 2: Convert to fraction form
    52,218.35/78,327.44 = 18,938.35/x
  3. Step 3: Cross multiply
    52,218.35x = 78,327.44 × 18,938.35
  4. Step 4: Simplify right side
    52,218.35x = 1,483,392,473.32
  5. Step 5: Solve for x
    x = 1,483,392,473.32/52,218.35
  6. Step 6: Final answer
    x = 28,407.49

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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.