Home / 35,035.90-48,348.63-19,120.54

Finding the Fourth Proportional to 35,035.90, 48,348.63 and 19,120.54

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Solution

The fourth proportional to 35,035.90, 48,348.63 and 19,120.54 is: 26,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,035.90 : 48,348.63 = 19,120.54 : x
  2. Step 2: Convert to fraction form
    35,035.90/48,348.63 = 19,120.54/x
  3. Step 3: Cross multiply
    35,035.90x = 48,348.63 × 19,120.54
  4. Step 4: Simplify right side
    35,035.90x = 924,451,913.86
  5. Step 5: Solve for x
    x = 924,451,913.86/35,035.90
  6. Step 6: Final answer
    x = 26,385.85

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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.