Home / 50,666.16-69,918.92-28,006.72

Finding the Fourth Proportional to 50,666.16, 69,918.92 and 28,006.72

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Solution

The fourth proportional to 50,666.16, 69,918.92 and 28,006.72 is: 38,649.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,666.16 : 69,918.92 = 28,006.72 : x
  2. Step 2: Convert to fraction form
    50,666.16/69,918.92 = 28,006.72/x
  3. Step 3: Cross multiply
    50,666.16x = 69,918.92 × 28,006.72
  4. Step 4: Simplify right side
    50,666.16x = 1,958,199,615.14
  5. Step 5: Solve for x
    x = 1,958,199,615.14/50,666.16
  6. Step 6: Final answer
    x = 38,649.06

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1.5x scale

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.