Home / 51,539.69-71,168.12-38,770.74

Finding the Fourth Proportional to 51,539.69, 71,168.12 and 38,770.74

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Solution

The fourth proportional to 51,539.69, 71,168.12 and 38,770.74 is: 53,536.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,539.69 : 71,168.12 = 38,770.74 : x
  2. Step 2: Convert to fraction form
    51,539.69/71,168.12 = 38,770.74/x
  3. Step 3: Cross multiply
    51,539.69x = 71,168.12 × 38,770.74
  4. Step 4: Simplify right side
    51,539.69x = 2,759,240,676.81
  5. Step 5: Solve for x
    x = 2,759,240,676.81/51,539.69
  6. Step 6: Final answer
    x = 53,536.23

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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.