Home / 43,272.30-64,908.45-19,944.30

Finding the Fourth Proportional to 43,272.30, 64,908.45 and 19,944.30

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Solution

The fourth proportional to 43,272.30, 64,908.45 and 19,944.30 is: 29,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,272.30 : 64,908.45 = 19,944.30 : x
  2. Step 2: Convert to fraction form
    43,272.30/64,908.45 = 19,944.30/x
  3. Step 3: Cross multiply
    43,272.30x = 64,908.45 × 19,944.30
  4. Step 4: Simplify right side
    43,272.30x = 1,294,553,599.34
  5. Step 5: Solve for x
    x = 1,294,553,599.34/43,272.30
  6. Step 6: Final answer
    x = 29,916.45

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Similar ratio
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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.