Home / 52,649.44-72,657.48-28,777.12

Finding the Fourth Proportional to 52,649.44, 72,657.48 and 28,777.12

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Solution

The fourth proportional to 52,649.44, 72,657.48 and 28,777.12 is: 39,713.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,649.44 : 72,657.48 = 28,777.12 : x
  2. Step 2: Convert to fraction form
    52,649.44/72,657.48 = 28,777.12/x
  3. Step 3: Cross multiply
    52,649.44x = 72,657.48 × 28,777.12
  4. Step 4: Simplify right side
    52,649.44x = 2,090,873,020.86
  5. Step 5: Solve for x
    x = 2,090,873,020.86/52,649.44
  6. Step 6: Final answer
    x = 39,713.11

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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.