Home / 29,777.04-41,090.76-20,347.92

Finding the Fourth Proportional to 29,777.04, 41,090.76 and 20,347.92

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Solution

The fourth proportional to 29,777.04, 41,090.76 and 20,347.92 is: 28,079.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,777.04 : 41,090.76 = 20,347.92 : x
  2. Step 2: Convert to fraction form
    29,777.04/41,090.76 = 20,347.92/x
  3. Step 3: Cross multiply
    29,777.04x = 41,090.76 × 20,347.92
  4. Step 4: Simplify right side
    29,777.04x = 836,111,497.22
  5. Step 5: Solve for x
    x = 836,111,497.22/29,777.04
  6. Step 6: Final answer
    x = 28,079.07

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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.