Home / 31,553.01-47,074.95-30,404.43

Finding the Fourth Proportional to 31,553.01, 47,074.95 and 30,404.43

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Solution

The fourth proportional to 31,553.01, 47,074.95 and 30,404.43 is: 45,361.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,553.01 : 47,074.95 = 30,404.43 : x
  2. Step 2: Convert to fraction form
    31,553.01/47,074.95 = 30,404.43/x
  3. Step 3: Cross multiply
    31,553.01x = 47,074.95 × 30,404.43
  4. Step 4: Simplify right side
    31,553.01x = 1,431,287,022.03
  5. Step 5: Solve for x
    x = 1,431,287,022.03/31,553.01
  6. Step 6: Final answer
    x = 45,361.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.