Home / 35,036.70-48,350.78-19,121.50

Finding the Fourth Proportional to 35,036.70, 48,350.78 and 19,121.50

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Solution

The fourth proportional to 35,036.70, 48,350.78 and 19,121.50 is: 26,387.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,036.70 : 48,350.78 = 19,121.50 : x
  2. Step 2: Convert to fraction form
    35,036.70/48,350.78 = 19,121.50/x
  3. Step 3: Cross multiply
    35,036.70x = 48,350.78 × 19,121.50
  4. Step 4: Simplify right side
    35,036.70x = 924,539,439.77
  5. Step 5: Solve for x
    x = 924,539,439.77/35,036.70
  6. Step 6: Final answer
    x = 26,387.74

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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.