Home / 35,318.74-48,740.07-19,402.78

Finding the Fourth Proportional to 35,318.74, 48,740.07 and 19,402.78

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Solution

The fourth proportional to 35,318.74, 48,740.07 and 19,402.78 is: 26,775.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,318.74 : 48,740.07 = 19,402.78 : x
  2. Step 2: Convert to fraction form
    35,318.74/48,740.07 = 19,402.78/x
  3. Step 3: Cross multiply
    35,318.74x = 48,740.07 × 19,402.78
  4. Step 4: Simplify right side
    35,318.74x = 945,692,855.39
  5. Step 5: Solve for x
    x = 945,692,855.39/35,318.74
  6. Step 6: Final answer
    x = 26,775.95

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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.