Home / 32,777.83-45,220.53-20,180.71

Finding the Fourth Proportional to 32,777.83, 45,220.53 and 20,180.71

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Solution

The fourth proportional to 32,777.83, 45,220.53 and 20,180.71 is: 27,841.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,777.83 : 45,220.53 = 20,180.71 : x
  2. Step 2: Convert to fraction form
    32,777.83/45,220.53 = 20,180.71/x
  3. Step 3: Cross multiply
    32,777.83x = 45,220.53 × 20,180.71
  4. Step 4: Simplify right side
    32,777.83x = 912,582,401.98
  5. Step 5: Solve for x
    x = 912,582,401.98/32,777.83
  6. Step 6: Final answer
    x = 27,841.45

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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.