Home / 35,221.64-48,599.70-20,107.40

Finding the Fourth Proportional to 35,221.64, 48,599.70 and 20,107.40

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Solution

The fourth proportional to 35,221.64, 48,599.70 and 20,107.40 is: 27,744.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,221.64 : 48,599.70 = 20,107.40 : x
  2. Step 2: Convert to fraction form
    35,221.64/48,599.70 = 20,107.40/x
  3. Step 3: Cross multiply
    35,221.64x = 48,599.70 × 20,107.40
  4. Step 4: Simplify right side
    35,221.64x = 977,213,607.78
  5. Step 5: Solve for x
    x = 977,213,607.78/35,221.64
  6. Step 6: Final answer
    x = 27,744.69

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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.