Home / 70,321.45-97,043.72-38,492.36

Finding the Fourth Proportional to 70,321.45, 97,043.72 and 38,492.36

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Solution

The fourth proportional to 70,321.45, 97,043.72 and 38,492.36 is: 53,119.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,321.45 : 97,043.72 = 38,492.36 : x
  2. Step 2: Convert to fraction form
    70,321.45/97,043.72 = 38,492.36/x
  3. Step 3: Cross multiply
    70,321.45x = 97,043.72 × 38,492.36
  4. Step 4: Simplify right side
    70,321.45x = 3,735,441,856.13
  5. Step 5: Solve for x
    x = 3,735,441,856.13/70,321.45
  6. Step 6: Final answer
    x = 53,119.52

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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.