Home / 51,334.52-77,038.64-21,760.64

Finding the Fourth Proportional to 51,334.52, 77,038.64 and 21,760.64

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Solution

The fourth proportional to 51,334.52, 77,038.64 and 21,760.64 is: 32,656.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,334.52 : 77,038.64 = 21,760.64 : x
  2. Step 2: Convert to fraction form
    51,334.52/77,038.64 = 21,760.64/x
  3. Step 3: Cross multiply
    51,334.52x = 77,038.64 × 21,760.64
  4. Step 4: Simplify right side
    51,334.52x = 1,676,410,111.13
  5. Step 5: Solve for x
    x = 1,676,410,111.13/51,334.52
  6. Step 6: Final answer
    x = 32,656.58

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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.