Home / 35,322.19-48,722.99-20,972.27

Finding the Fourth Proportional to 35,322.19, 48,722.99 and 20,972.27

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Solution

The fourth proportional to 35,322.19, 48,722.99 and 20,972.27 is: 28,928.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,322.19 : 48,722.99 = 20,972.27 : x
  2. Step 2: Convert to fraction form
    35,322.19/48,722.99 = 20,972.27/x
  3. Step 3: Cross multiply
    35,322.19x = 48,722.99 × 20,972.27
  4. Step 4: Simplify right side
    35,322.19x = 1,021,831,718.43
  5. Step 5: Solve for x
    x = 1,021,831,718.43/35,322.19
  6. Step 6: Final answer
    x = 28,928.89

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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.