Home / 51,945.22-71,684.39-28,071.89

Finding the Fourth Proportional to 51,945.22, 71,684.39 and 28,071.89

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Solution

The fourth proportional to 51,945.22, 71,684.39 and 28,071.89 is: 38,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,945.22 : 71,684.39 = 28,071.89 : x
  2. Step 2: Convert to fraction form
    51,945.22/71,684.39 = 28,071.89/x
  3. Step 3: Cross multiply
    51,945.22x = 71,684.39 × 28,071.89
  4. Step 4: Simplify right side
    51,945.22x = 2,012,316,492.98
  5. Step 5: Solve for x
    x = 2,012,316,492.98/51,945.22
  6. Step 6: Final answer
    x = 38,739.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.