Home / 51,459.16-77,180.82-19,864.72

Finding the Fourth Proportional to 51,459.16, 77,180.82 and 19,864.72

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Solution

The fourth proportional to 51,459.16, 77,180.82 and 19,864.72 is: 29,794.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,459.16 : 77,180.82 = 19,864.72 : x
  2. Step 2: Convert to fraction form
    51,459.16/77,180.82 = 19,864.72/x
  3. Step 3: Cross multiply
    51,459.16x = 77,180.82 × 19,864.72
  4. Step 4: Simplify right side
    51,459.16x = 1,533,175,378.67
  5. Step 5: Solve for x
    x = 1,533,175,378.67/51,459.16
  6. Step 6: Final answer
    x = 29,794.02

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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.