Home / 35,306.97-48,702.22-20,957.35

Finding the Fourth Proportional to 35,306.97, 48,702.22 and 20,957.35

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Solution

The fourth proportional to 35,306.97, 48,702.22 and 20,957.35 is: 28,908.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,306.97 : 48,702.22 = 20,957.35 : x
  2. Step 2: Convert to fraction form
    35,306.97/48,702.22 = 20,957.35/x
  3. Step 3: Cross multiply
    35,306.97x = 48,702.22 × 20,957.35
  4. Step 4: Simplify right side
    35,306.97x = 1,020,669,470.32
  5. Step 5: Solve for x
    x = 1,020,669,470.32/35,306.97
  6. Step 6: Final answer
    x = 28,908.44

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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.