Home / 58,818.21-81,168.96-31,960.71

Finding the Fourth Proportional to 58,818.21, 81,168.96 and 31,960.71

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Solution

The fourth proportional to 58,818.21, 81,168.96 and 31,960.71 is: 44,105.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,818.21 : 81,168.96 = 31,960.71 : x
  2. Step 2: Convert to fraction form
    58,818.21/81,168.96 = 31,960.71/x
  3. Step 3: Cross multiply
    58,818.21x = 81,168.96 × 31,960.71
  4. Step 4: Simplify right side
    58,818.21x = 2,594,217,711.41
  5. Step 5: Solve for x
    x = 2,594,217,711.41/58,818.21
  6. Step 6: Final answer
    x = 44,105.69

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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.