Home / 70,586.22-97,409.15-38,321.09

Finding the Fourth Proportional to 70,586.22, 97,409.15 and 38,321.09

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Solution

The fourth proportional to 70,586.22, 97,409.15 and 38,321.09 is: 52,883.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,586.22 : 97,409.15 = 38,321.09 : x
  2. Step 2: Convert to fraction form
    70,586.22/97,409.15 = 38,321.09/x
  3. Step 3: Cross multiply
    70,586.22x = 97,409.15 × 38,321.09
  4. Step 4: Simplify right side
    70,586.22x = 3,732,824,803.97
  5. Step 5: Solve for x
    x = 3,732,824,803.97/70,586.22
  6. Step 6: Final answer
    x = 52,883.19

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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.