Home / 51,567.82-77,351.78-14,128.20

Finding the Fourth Proportional to 51,567.82, 77,351.78 and 14,128.20

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Solution

The fourth proportional to 51,567.82, 77,351.78 and 14,128.20 is: 21,192.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,567.82 : 77,351.78 = 14,128.20 : x
  2. Step 2: Convert to fraction form
    51,567.82/77,351.78 = 14,128.20/x
  3. Step 3: Cross multiply
    51,567.82x = 77,351.78 × 14,128.20
  4. Step 4: Simplify right side
    51,567.82x = 1,092,841,453.52
  5. Step 5: Solve for x
    x = 1,092,841,453.52/51,567.82
  6. Step 6: Final answer
    x = 21,192.32

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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.