Home / 20,031.03-30,036.35-6,699.24

Finding the Fourth Proportional to 20,031.03, 30,036.35 and 6,699.24

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Solution

The fourth proportional to 20,031.03, 30,036.35 and 6,699.24 is: 10,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,031.03 : 30,036.35 = 6,699.24 : x
  2. Step 2: Convert to fraction form
    20,031.03/30,036.35 = 6,699.24/x
  3. Step 3: Cross multiply
    20,031.03x = 30,036.35 × 6,699.24
  4. Step 4: Simplify right side
    20,031.03x = 201,220,734.12
  5. Step 5: Solve for x
    x = 201,220,734.12/20,031.03
  6. Step 6: Final answer
    x = 10,045.45

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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.