Home / 51,426.40-77,124.48-21,844

Finding the Fourth Proportional to 51,426.40, 77,124.48 and 21,844

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Solution

The fourth proportional to 51,426.40, 77,124.48 and 21,844 is: 32,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,426.40 : 77,124.48 = 21,844 : x
  2. Step 2: Convert to fraction form
    51,426.40/77,124.48 = 21,844/x
  3. Step 3: Cross multiply
    51,426.40x = 77,124.48 × 21,844
  4. Step 4: Simplify right side
    51,426.40x = 1,684,707,141.12
  5. Step 5: Solve for x
    x = 1,684,707,141.12/51,426.40
  6. Step 6: Final answer
    x = 32,759.58

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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.