Home / 51,927.68-77,905.54-16,390.45

Finding the Fourth Proportional to 51,927.68, 77,905.54 and 16,390.45

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Solution

The fourth proportional to 51,927.68, 77,905.54 and 16,390.45 is: 24,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,927.68 : 77,905.54 = 16,390.45 : x
  2. Step 2: Convert to fraction form
    51,927.68/77,905.54 = 16,390.45/x
  3. Step 3: Cross multiply
    51,927.68x = 77,905.54 × 16,390.45
  4. Step 4: Simplify right side
    51,927.68x = 1,276,906,468.57
  5. Step 5: Solve for x
    x = 1,276,906,468.57/51,927.68
  6. Step 6: Final answer
    x = 24,590.10

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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.