Home / 36,041.76-54,043.20-13,860.72

Finding the Fourth Proportional to 36,041.76, 54,043.20 and 13,860.72

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Solution

The fourth proportional to 36,041.76, 54,043.20 and 13,860.72 is: 20,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,041.76 : 54,043.20 = 13,860.72 : x
  2. Step 2: Convert to fraction form
    36,041.76/54,043.20 = 13,860.72/x
  3. Step 3: Cross multiply
    36,041.76x = 54,043.20 × 13,860.72
  4. Step 4: Simplify right side
    36,041.76x = 749,077,663.10
  5. Step 5: Solve for x
    x = 749,077,663.10/36,041.76
  6. Step 6: Final answer
    x = 20,783.60

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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.