Home / 51,777.23-77,665.84-28,551.29

Finding the Fourth Proportional to 51,777.23, 77,665.84 and 28,551.29

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Solution

The fourth proportional to 51,777.23, 77,665.84 and 28,551.29 is: 42,826.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,777.23 : 77,665.84 = 28,551.29 : x
  2. Step 2: Convert to fraction form
    51,777.23/77,665.84 = 28,551.29/x
  3. Step 3: Cross multiply
    51,777.23x = 77,665.84 × 28,551.29
  4. Step 4: Simplify right side
    51,777.23x = 2,217,459,461.23
  5. Step 5: Solve for x
    x = 2,217,459,461.23/51,777.23
  6. Step 6: Final answer
    x = 42,826.93

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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.