Home / 35,304.39-48,720.29-19,388.70

Finding the Fourth Proportional to 35,304.39, 48,720.29 and 19,388.70

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Solution

The fourth proportional to 35,304.39, 48,720.29 and 19,388.70 is: 26,756.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,304.39 : 48,720.29 = 19,388.70 : x
  2. Step 2: Convert to fraction form
    35,304.39/48,720.29 = 19,388.70/x
  3. Step 3: Cross multiply
    35,304.39x = 48,720.29 × 19,388.70
  4. Step 4: Simplify right side
    35,304.39x = 944,622,989.78
  5. Step 5: Solve for x
    x = 944,622,989.78/35,304.39
  6. Step 6: Final answer
    x = 26,756.53

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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.