Home / 35,113.58-48,455.81-20,774.15

Finding the Fourth Proportional to 35,113.58, 48,455.81 and 20,774.15

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Solution

The fourth proportional to 35,113.58, 48,455.81 and 20,774.15 is: 28,667.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,113.58 : 48,455.81 = 20,774.15 : x
  2. Step 2: Convert to fraction form
    35,113.58/48,455.81 = 20,774.15/x
  3. Step 3: Cross multiply
    35,113.58x = 48,455.81 × 20,774.15
  4. Step 4: Simplify right side
    35,113.58x = 1,006,628,265.31
  5. Step 5: Solve for x
    x = 1,006,628,265.31/35,113.58
  6. Step 6: Final answer
    x = 28,667.78

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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.