Home / 43,007.40-64,511.10-22,012.20

Finding the Fourth Proportional to 43,007.40, 64,511.10 and 22,012.20

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Solution

The fourth proportional to 43,007.40, 64,511.10 and 22,012.20 is: 33,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,007.40 : 64,511.10 = 22,012.20 : x
  2. Step 2: Convert to fraction form
    43,007.40/64,511.10 = 22,012.20/x
  3. Step 3: Cross multiply
    43,007.40x = 64,511.10 × 22,012.20
  4. Step 4: Simplify right side
    43,007.40x = 1,420,031,235.42
  5. Step 5: Solve for x
    x = 1,420,031,235.42/43,007.40
  6. Step 6: Final answer
    x = 33,018.30

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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.