Home / 70,568.22-97,382.34-38,736.84

Finding the Fourth Proportional to 70,568.22, 97,382.34 and 38,736.84

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Solution

The fourth proportional to 70,568.22, 97,382.34 and 38,736.84 is: 53,455.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,568.22 : 97,382.34 = 38,736.84 : x
  2. Step 2: Convert to fraction form
    70,568.22/97,382.34 = 38,736.84/x
  3. Step 3: Cross multiply
    70,568.22x = 97,382.34 × 38,736.84
  4. Step 4: Simplify right side
    70,568.22x = 3,772,284,123.41
  5. Step 5: Solve for x
    x = 3,772,284,123.41/70,568.22
  6. Step 6: Final answer
    x = 53,455.85

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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.