Home / 35,035.79-48,350.55-19,121.10

Finding the Fourth Proportional to 35,035.79, 48,350.55 and 19,121.10

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Solution

The fourth proportional to 35,035.79, 48,350.55 and 19,121.10 is: 26,387.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,035.79 : 48,350.55 = 19,121.10 : x
  2. Step 2: Convert to fraction form
    35,035.79/48,350.55 = 19,121.10/x
  3. Step 3: Cross multiply
    35,035.79x = 48,350.55 × 19,121.10
  4. Step 4: Simplify right side
    35,035.79x = 924,515,701.61
  5. Step 5: Solve for x
    x = 924,515,701.61/35,035.79
  6. Step 6: Final answer
    x = 26,387.75

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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.