Home / 53,570.40-80,365.68-21,551.88

Finding the Fourth Proportional to 53,570.40, 80,365.68 and 21,551.88

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Solution

The fourth proportional to 53,570.40, 80,365.68 and 21,551.88 is: 32,331.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,570.40 : 80,365.68 = 21,551.88 : x
  2. Step 2: Convert to fraction form
    53,570.40/80,365.68 = 21,551.88/x
  3. Step 3: Cross multiply
    53,570.40x = 80,365.68 × 21,551.88
  4. Step 4: Simplify right side
    53,570.40x = 1,732,031,491.48
  5. Step 5: Solve for x
    x = 1,732,031,491.48/53,570.40
  6. Step 6: Final answer
    x = 32,331.88

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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.