Home / 70,321.20-97,043.37-38,492.12

Finding the Fourth Proportional to 70,321.20, 97,043.37 and 38,492.12

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Solution

The fourth proportional to 70,321.20, 97,043.37 and 38,492.12 is: 53,119.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,321.20 : 97,043.37 = 38,492.12 : x
  2. Step 2: Convert to fraction form
    70,321.20/97,043.37 = 38,492.12/x
  3. Step 3: Cross multiply
    70,321.20x = 97,043.37 × 38,492.12
  4. Step 4: Simplify right side
    70,321.20x = 3,735,404,558.03
  5. Step 5: Solve for x
    x = 3,735,404,558.03/70,321.20
  6. Step 6: Final answer
    x = 53,119.18

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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.