Home / 43,221.54-64,715.40-22,401.30

Finding the Fourth Proportional to 43,221.54, 64,715.40 and 22,401.30

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Solution

The fourth proportional to 43,221.54, 64,715.40 and 22,401.30 is: 33,541.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,221.54 : 64,715.40 = 22,401.30 : x
  2. Step 2: Convert to fraction form
    43,221.54/64,715.40 = 22,401.30/x
  3. Step 3: Cross multiply
    43,221.54x = 64,715.40 × 22,401.30
  4. Step 4: Simplify right side
    43,221.54x = 1,449,709,090.02
  5. Step 5: Solve for x
    x = 1,449,709,090.02/43,221.54
  6. Step 6: Final answer
    x = 33,541.36

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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.