Home / 47,399.28-65,410.80-26,178.44

Finding the Fourth Proportional to 47,399.28, 65,410.80 and 26,178.44

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Solution

The fourth proportional to 47,399.28, 65,410.80 and 26,178.44 is: 36,126.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,399.28 : 65,410.80 = 26,178.44 : x
  2. Step 2: Convert to fraction form
    47,399.28/65,410.80 = 26,178.44/x
  3. Step 3: Cross multiply
    47,399.28x = 65,410.80 × 26,178.44
  4. Step 4: Simplify right side
    47,399.28x = 1,712,352,703.15
  5. Step 5: Solve for x
    x = 1,712,352,703.15/47,399.28
  6. Step 6: Final answer
    x = 36,126.13

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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.