Home / 51,566.48-71,161.17-28,909.16

Finding the Fourth Proportional to 51,566.48, 71,161.17 and 28,909.16

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Solution

The fourth proportional to 51,566.48, 71,161.17 and 28,909.16 is: 39,894.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,566.48 : 71,161.17 = 28,909.16 : x
  2. Step 2: Convert to fraction form
    51,566.48/71,161.17 = 28,909.16/x
  3. Step 3: Cross multiply
    51,566.48x = 71,161.17 × 28,909.16
  4. Step 4: Simplify right side
    51,566.48x = 2,057,209,649.32
  5. Step 5: Solve for x
    x = 2,057,209,649.32/51,566.48
  6. Step 6: Final answer
    x = 39,894.32

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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.