Home / 70,741.42-97,623.21-38,912.74

Finding the Fourth Proportional to 70,741.42, 97,623.21 and 38,912.74

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Solution

The fourth proportional to 70,741.42, 97,623.21 and 38,912.74 is: 53,699.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,741.42 : 97,623.21 = 38,912.74 : x
  2. Step 2: Convert to fraction form
    70,741.42/97,623.21 = 38,912.74/x
  3. Step 3: Cross multiply
    70,741.42x = 97,623.21 × 38,912.74
  4. Step 4: Simplify right side
    70,741.42x = 3,798,786,588.70
  5. Step 5: Solve for x
    x = 3,798,786,588.70/70,741.42
  6. Step 6: Final answer
    x = 53,699.61

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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.