Home / 71,346.26-98,458.67-39,515.69

Finding the Fourth Proportional to 71,346.26, 98,458.67 and 39,515.69

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Solution

The fourth proportional to 71,346.26, 98,458.67 and 39,515.69 is: 54,532.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,346.26 : 98,458.67 = 39,515.69 : x
  2. Step 2: Convert to fraction form
    71,346.26/98,458.67 = 39,515.69/x
  3. Step 3: Cross multiply
    71,346.26x = 98,458.67 × 39,515.69
  4. Step 4: Simplify right side
    71,346.26x = 3,890,662,281.53
  5. Step 5: Solve for x
    x = 3,890,662,281.53/71,346.26
  6. Step 6: Final answer
    x = 54,532.11

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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.