Home / 43,038.72-64,419.20-22,233.60

Finding the Fourth Proportional to 43,038.72, 64,419.20 and 22,233.60

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Solution

The fourth proportional to 43,038.72, 64,419.20 and 22,233.60 is: 33,278.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,038.72 : 64,419.20 = 22,233.60 : x
  2. Step 2: Convert to fraction form
    43,038.72/64,419.20 = 22,233.60/x
  3. Step 3: Cross multiply
    43,038.72x = 64,419.20 × 22,233.60
  4. Step 4: Simplify right side
    43,038.72x = 1,432,270,725.12
  5. Step 5: Solve for x
    x = 1,432,270,725.12/43,038.72
  6. Step 6: Final answer
    x = 33,278.66

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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.