Home / 46,523.05-69,756.48-20,872.70

Finding the Fourth Proportional to 46,523.05, 69,756.48 and 20,872.70

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Solution

The fourth proportional to 46,523.05, 69,756.48 and 20,872.70 is: 31,296.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,523.05 : 69,756.48 = 20,872.70 : x
  2. Step 2: Convert to fraction form
    46,523.05/69,756.48 = 20,872.70/x
  3. Step 3: Cross multiply
    46,523.05x = 69,756.48 × 20,872.70
  4. Step 4: Simplify right side
    46,523.05x = 1,456,006,080.10
  5. Step 5: Solve for x
    x = 1,456,006,080.10/46,523.05
  6. Step 6: Final answer
    x = 31,296.45

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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.