Home / 53,570.56-80,349.67-21,548.43

Finding the Fourth Proportional to 53,570.56, 80,349.67 and 21,548.43

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Solution

The fourth proportional to 53,570.56, 80,349.67 and 21,548.43 is: 32,320.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,570.56 : 80,349.67 = 21,548.43 : x
  2. Step 2: Convert to fraction form
    53,570.56/80,349.67 = 21,548.43/x
  3. Step 3: Cross multiply
    53,570.56x = 80,349.67 × 21,548.43
  4. Step 4: Simplify right side
    53,570.56x = 1,731,409,239.52
  5. Step 5: Solve for x
    x = 1,731,409,239.52/53,570.56
  6. Step 6: Final answer
    x = 32,320.16

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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.