Home / 70,558.32-97,370.36-40,344.21

Finding the Fourth Proportional to 70,558.32, 97,370.36 and 40,344.21

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Solution

The fourth proportional to 70,558.32, 97,370.36 and 40,344.21 is: 55,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,558.32 : 97,370.36 = 40,344.21 : x
  2. Step 2: Convert to fraction form
    70,558.32/97,370.36 = 40,344.21/x
  3. Step 3: Cross multiply
    70,558.32x = 97,370.36 × 40,344.21
  4. Step 4: Simplify right side
    70,558.32x = 3,928,330,049.89
  5. Step 5: Solve for x
    x = 3,928,330,049.89/70,558.32
  6. Step 6: Final answer
    x = 55,674.94

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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.