Home / 52,520.43-78,785.46-20,922.84

Finding the Fourth Proportional to 52,520.43, 78,785.46 and 20,922.84

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Solution

The fourth proportional to 52,520.43, 78,785.46 and 20,922.84 is: 31,386.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,520.43 : 78,785.46 = 20,922.84 : x
  2. Step 2: Convert to fraction form
    52,520.43/78,785.46 = 20,922.84/x
  3. Step 3: Cross multiply
    52,520.43x = 78,785.46 × 20,922.84
  4. Step 4: Simplify right side
    52,520.43x = 1,648,415,573.91
  5. Step 5: Solve for x
    x = 1,648,415,573.91/52,520.43
  6. Step 6: Final answer
    x = 31,386.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.