Home / 35,216.64-48,592.80-20,102.40

Finding the Fourth Proportional to 35,216.64, 48,592.80 and 20,102.40

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Solution

The fourth proportional to 35,216.64, 48,592.80 and 20,102.40 is: 27,737.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,216.64 : 48,592.80 = 20,102.40 : x
  2. Step 2: Convert to fraction form
    35,216.64/48,592.80 = 20,102.40/x
  3. Step 3: Cross multiply
    35,216.64x = 48,592.80 × 20,102.40
  4. Step 4: Simplify right side
    35,216.64x = 976,831,902.72
  5. Step 5: Solve for x
    x = 976,831,902.72/35,216.64
  6. Step 6: Final answer
    x = 27,737.79

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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.