Home / 51,887.61-77,783.55-20,319.17

Finding the Fourth Proportional to 51,887.61, 77,783.55 and 20,319.17

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Solution

The fourth proportional to 51,887.61, 77,783.55 and 20,319.17 is: 30,460.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,887.61 : 77,783.55 = 20,319.17 : x
  2. Step 2: Convert to fraction form
    51,887.61/77,783.55 = 20,319.17/x
  3. Step 3: Cross multiply
    51,887.61x = 77,783.55 × 20,319.17
  4. Step 4: Simplify right side
    51,887.61x = 1,580,497,175.65
  5. Step 5: Solve for x
    x = 1,580,497,175.65/51,887.61
  6. Step 6: Final answer
    x = 30,460.01

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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.