Home / 51,929.48-77,838.06-20,730.44

Finding the Fourth Proportional to 51,929.48, 77,838.06 and 20,730.44

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Solution

The fourth proportional to 51,929.48, 77,838.06 and 20,730.44 is: 31,073.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,929.48 : 77,838.06 = 20,730.44 : x
  2. Step 2: Convert to fraction form
    51,929.48/77,838.06 = 20,730.44/x
  3. Step 3: Cross multiply
    51,929.48x = 77,838.06 × 20,730.44
  4. Step 4: Simplify right side
    51,929.48x = 1,613,617,232.55
  5. Step 5: Solve for x
    x = 1,613,617,232.55/51,929.48
  6. Step 6: Final answer
    x = 31,073.24

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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.