Home / 70,317.62-97,039.91-38,486.60

Finding the Fourth Proportional to 70,317.62, 97,039.91 and 38,486.60

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Solution

The fourth proportional to 70,317.62, 97,039.91 and 38,486.60 is: 53,112.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,317.62 : 97,039.91 = 38,486.60 : x
  2. Step 2: Convert to fraction form
    70,317.62/97,039.91 = 38,486.60/x
  3. Step 3: Cross multiply
    70,317.62x = 97,039.91 × 38,486.60
  4. Step 4: Simplify right side
    70,317.62x = 3,734,735,522.57
  5. Step 5: Solve for x
    x = 3,734,735,522.57/70,317.62
  6. Step 6: Final answer
    x = 53,112.37

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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.