Home / 50,729.72-70,009.52-29,222.68

Finding the Fourth Proportional to 50,729.72, 70,009.52 and 29,222.68

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Solution

The fourth proportional to 50,729.72, 70,009.52 and 29,222.68 is: 40,328.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,729.72 : 70,009.52 = 29,222.68 : x
  2. Step 2: Convert to fraction form
    50,729.72/70,009.52 = 29,222.68/x
  3. Step 3: Cross multiply
    50,729.72x = 70,009.52 × 29,222.68
  4. Step 4: Simplify right side
    50,729.72x = 2,045,865,799.91
  5. Step 5: Solve for x
    x = 2,045,865,799.91/50,729.72
  6. Step 6: Final answer
    x = 40,328.74

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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.