Home / 35,039.82-48,355.20-19,124.40

Finding the Fourth Proportional to 35,039.82, 48,355.20 and 19,124.40

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Solution

The fourth proportional to 35,039.82, 48,355.20 and 19,124.40 is: 26,391.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,039.82 : 48,355.20 = 19,124.40 : x
  2. Step 2: Convert to fraction form
    35,039.82/48,355.20 = 19,124.40/x
  3. Step 3: Cross multiply
    35,039.82x = 48,355.20 × 19,124.40
  4. Step 4: Simplify right side
    35,039.82x = 924,764,186.88
  5. Step 5: Solve for x
    x = 924,764,186.88/35,039.82
  6. Step 6: Final answer
    x = 26,391.81

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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.