Home / 53,016.90-79,521.21-23,435.70

Finding the Fourth Proportional to 53,016.90, 79,521.21 and 23,435.70

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Solution

The fourth proportional to 53,016.90, 79,521.21 and 23,435.70 is: 35,151.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,016.90 : 79,521.21 = 23,435.70 : x
  2. Step 2: Convert to fraction form
    53,016.90/79,521.21 = 23,435.70/x
  3. Step 3: Cross multiply
    53,016.90x = 79,521.21 × 23,435.70
  4. Step 4: Simplify right side
    53,016.90x = 1,863,635,221.20
  5. Step 5: Solve for x
    x = 1,863,635,221.20/53,016.90
  6. Step 6: Final answer
    x = 35,151.72

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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.