Home / 71,085.07-106,627.74-18,494.47

Finding the Fourth Proportional to 71,085.07, 106,627.74 and 18,494.47

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Solution

The fourth proportional to 71,085.07, 106,627.74 and 18,494.47 is: 27,741.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,085.07 : 106,627.74 = 18,494.47 : x
  2. Step 2: Convert to fraction form
    71,085.07/106,627.74 = 18,494.47/x
  3. Step 3: Cross multiply
    71,085.07x = 106,627.74 × 18,494.47
  4. Step 4: Simplify right side
    71,085.07x = 1,972,023,538.60
  5. Step 5: Solve for x
    x = 1,972,023,538.60/71,085.07
  6. Step 6: Final answer
    x = 27,741.74

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1.5x scale

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.