Home / 35,422.85-53,071.67-31,561.58

Finding the Fourth Proportional to 35,422.85, 53,071.67 and 31,561.58

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Solution

The fourth proportional to 35,422.85, 53,071.67 and 31,561.58 is: 47,286.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,422.85 : 53,071.67 = 31,561.58 : x
  2. Step 2: Convert to fraction form
    35,422.85/53,071.67 = 31,561.58/x
  3. Step 3: Cross multiply
    35,422.85x = 53,071.67 × 31,561.58
  4. Step 4: Simplify right side
    35,422.85x = 1,675,025,970.02
  5. Step 5: Solve for x
    x = 1,675,025,970.02/35,422.85
  6. Step 6: Final answer
    x = 47,286.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.