Home / 51,242.68-70,715-28,583.14

Finding the Fourth Proportional to 51,242.68, 70,715 and 28,583.14

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Solution

The fourth proportional to 51,242.68, 70,715 and 28,583.14 is: 39,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,242.68 : 70,715 = 28,583.14 : x
  2. Step 2: Convert to fraction form
    51,242.68/70,715 = 28,583.14/x
  3. Step 3: Cross multiply
    51,242.68x = 70,715 × 28,583.14
  4. Step 4: Simplify right side
    51,242.68x = 2,021,256,745.10
  5. Step 5: Solve for x
    x = 2,021,256,745.10/51,242.68
  6. Step 6: Final answer
    x = 39,444.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.