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Finding the Fourth Proportional to 35,297.76, 48,721.84 and 22,722.50

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Solution

The fourth proportional to 35,297.76, 48,721.84 and 22,722.50 is: 31,364.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,297.76 : 48,721.84 = 22,722.50 : x
  2. Step 2: Convert to fraction form
    35,297.76/48,721.84 = 22,722.50/x
  3. Step 3: Cross multiply
    35,297.76x = 48,721.84 × 22,722.50
  4. Step 4: Simplify right side
    35,297.76x = 1,107,082,009.40
  5. Step 5: Solve for x
    x = 1,107,082,009.40/35,297.76
  6. Step 6: Final answer
    x = 31,364.09

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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.