Home / 40,074.53-60,031.28-18,697.01

Finding the Fourth Proportional to 40,074.53, 60,031.28 and 18,697.01

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Solution

The fourth proportional to 40,074.53, 60,031.28 and 18,697.01 is: 28,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,074.53 : 60,031.28 = 18,697.01 : x
  2. Step 2: Convert to fraction form
    40,074.53/60,031.28 = 18,697.01/x
  3. Step 3: Cross multiply
    40,074.53x = 60,031.28 × 18,697.01
  4. Step 4: Simplify right side
    40,074.53x = 1,122,405,189.06
  5. Step 5: Solve for x
    x = 1,122,405,189.06/40,074.53
  6. Step 6: Final answer
    x = 28,007.95

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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.