Home / 35,135.91-48,470.81-21,702.33

Finding the Fourth Proportional to 35,135.91, 48,470.81 and 21,702.33

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Solution

The fourth proportional to 35,135.91, 48,470.81 and 21,702.33 is: 29,938.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,135.91 : 48,470.81 = 21,702.33 : x
  2. Step 2: Convert to fraction form
    35,135.91/48,470.81 = 21,702.33/x
  3. Step 3: Cross multiply
    35,135.91x = 48,470.81 × 21,702.33
  4. Step 4: Simplify right side
    35,135.91x = 1,051,929,405.48
  5. Step 5: Solve for x
    x = 1,051,929,405.48/35,135.91
  6. Step 6: Final answer
    x = 29,938.87

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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.