Home / 35,304.90-53,149.70-30,483.78

Finding the Fourth Proportional to 35,304.90, 53,149.70 and 30,483.78

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Solution

The fourth proportional to 35,304.90, 53,149.70 and 30,483.78 is: 45,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,304.90 : 53,149.70 = 30,483.78 : x
  2. Step 2: Convert to fraction form
    35,304.90/53,149.70 = 30,483.78/x
  3. Step 3: Cross multiply
    35,304.90x = 53,149.70 × 30,483.78
  4. Step 4: Simplify right side
    35,304.90x = 1,620,203,609.45
  5. Step 5: Solve for x
    x = 1,620,203,609.45/35,304.90
  6. Step 6: Final answer
    x = 45,891.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.