Home / 47,399.19-65,411.25-26,178.81

Finding the Fourth Proportional to 47,399.19, 65,411.25 and 26,178.81

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Solution

The fourth proportional to 47,399.19, 65,411.25 and 26,178.81 is: 36,126.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,399.19 : 65,411.25 = 26,178.81 : x
  2. Step 2: Convert to fraction form
    47,399.19/65,411.25 = 26,178.81/x
  3. Step 3: Cross multiply
    47,399.19x = 65,411.25 × 26,178.81
  4. Step 4: Simplify right side
    47,399.19x = 1,712,388,685.61
  5. Step 5: Solve for x
    x = 1,712,388,685.61/47,399.19
  6. Step 6: Final answer
    x = 36,126.96

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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.