Home / 40,064.18-55,227.21-29,977.34

Finding the Fourth Proportional to 40,064.18, 55,227.21 and 29,977.34

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Solution

The fourth proportional to 40,064.18, 55,227.21 and 29,977.34 is: 41,322.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,064.18 : 55,227.21 = 29,977.34 : x
  2. Step 2: Convert to fraction form
    40,064.18/55,227.21 = 29,977.34/x
  3. Step 3: Cross multiply
    40,064.18x = 55,227.21 × 29,977.34
  4. Step 4: Simplify right side
    40,064.18x = 1,655,564,851.42
  5. Step 5: Solve for x
    x = 1,655,564,851.42/40,064.18
  6. Step 6: Final answer
    x = 41,322.82

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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.