Home / 35,150.28-48,506.22-20,994.72

Finding the Fourth Proportional to 35,150.28, 48,506.22 and 20,994.72

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Solution

The fourth proportional to 35,150.28, 48,506.22 and 20,994.72 is: 28,972.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,150.28 : 48,506.22 = 20,994.72 : x
  2. Step 2: Convert to fraction form
    35,150.28/48,506.22 = 20,994.72/x
  3. Step 3: Cross multiply
    35,150.28x = 48,506.22 × 20,994.72
  4. Step 4: Simplify right side
    35,150.28x = 1,018,374,507.16
  5. Step 5: Solve for x
    x = 1,018,374,507.16/35,150.28
  6. Step 6: Final answer
    x = 28,972.02

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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.