Home / 51,513.74-77,242.22-15,965.20

Finding the Fourth Proportional to 51,513.74, 77,242.22 and 15,965.20

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Solution

The fourth proportional to 51,513.74, 77,242.22 and 15,965.20 is: 23,939.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,513.74 : 77,242.22 = 15,965.20 : x
  2. Step 2: Convert to fraction form
    51,513.74/77,242.22 = 15,965.20/x
  3. Step 3: Cross multiply
    51,513.74x = 77,242.22 × 15,965.20
  4. Step 4: Simplify right side
    51,513.74x = 1,233,187,567.34
  5. Step 5: Solve for x
    x = 1,233,187,567.34/51,513.74
  6. Step 6: Final answer
    x = 23,939.00

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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.