Home / 20,031.53-30,037.10-6,699.74

Finding the Fourth Proportional to 20,031.53, 30,037.10 and 6,699.74

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Solution

The fourth proportional to 20,031.53, 30,037.10 and 6,699.74 is: 10,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,031.53 : 30,037.10 = 6,699.74 : x
  2. Step 2: Convert to fraction form
    20,031.53/30,037.10 = 6,699.74/x
  3. Step 3: Cross multiply
    20,031.53x = 30,037.10 × 6,699.74
  4. Step 4: Simplify right side
    20,031.53x = 201,240,760.35
  5. Step 5: Solve for x
    x = 201,240,760.35/20,031.53
  6. Step 6: Final answer
    x = 10,046.20

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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.