Home / 37,531.86-51,777.86-21,612.94

Finding the Fourth Proportional to 37,531.86, 51,777.86 and 21,612.94

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Solution

The fourth proportional to 37,531.86, 51,777.86 and 21,612.94 is: 29,816.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,531.86 : 51,777.86 = 21,612.94 : x
  2. Step 2: Convert to fraction form
    37,531.86/51,777.86 = 21,612.94/x
  3. Step 3: Cross multiply
    37,531.86x = 51,777.86 × 21,612.94
  4. Step 4: Simplify right side
    37,531.86x = 1,119,071,781.51
  5. Step 5: Solve for x
    x = 1,119,071,781.51/37,531.86
  6. Step 6: Final answer
    x = 29,816.58

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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.