Home / 51,386.96-70,910.08-31,241.05

Finding the Fourth Proportional to 51,386.96, 70,910.08 and 31,241.05

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Solution

The fourth proportional to 51,386.96, 70,910.08 and 31,241.05 is: 43,110.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,386.96 : 70,910.08 = 31,241.05 : x
  2. Step 2: Convert to fraction form
    51,386.96/70,910.08 = 31,241.05/x
  3. Step 3: Cross multiply
    51,386.96x = 70,910.08 × 31,241.05
  4. Step 4: Simplify right side
    51,386.96x = 2,215,305,354.78
  5. Step 5: Solve for x
    x = 2,215,305,354.78/51,386.96
  6. Step 6: Final answer
    x = 43,110.26

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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.