Home / 52,785.26-72,844.84-30,123.80

Finding the Fourth Proportional to 52,785.26, 72,844.84 and 30,123.80

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Solution

The fourth proportional to 52,785.26, 72,844.84 and 30,123.80 is: 41,571.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,785.26 : 72,844.84 = 30,123.80 : x
  2. Step 2: Convert to fraction form
    52,785.26/72,844.84 = 30,123.80/x
  3. Step 3: Cross multiply
    52,785.26x = 72,844.84 × 30,123.80
  4. Step 4: Simplify right side
    52,785.26x = 2,194,363,337.79
  5. Step 5: Solve for x
    x = 2,194,363,337.79/52,785.26
  6. Step 6: Final answer
    x = 41,571.52

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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.