Home / 35,292.20-53,191.94-30,420.63

Finding the Fourth Proportional to 35,292.20, 53,191.94 and 30,420.63

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Solution

The fourth proportional to 35,292.20, 53,191.94 and 30,420.63 is: 45,849.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,292.20 : 53,191.94 = 30,420.63 : x
  2. Step 2: Convert to fraction form
    35,292.20/53,191.94 = 30,420.63/x
  3. Step 3: Cross multiply
    35,292.20x = 53,191.94 × 30,420.63
  4. Step 4: Simplify right side
    35,292.20x = 1,618,132,173.62
  5. Step 5: Solve for x
    x = 1,618,132,173.62/35,292.20
  6. Step 6: Final answer
    x = 45,849.58

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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.