Home / 70,738.48-97,616.07-38,905.32

Finding the Fourth Proportional to 70,738.48, 97,616.07 and 38,905.32

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Solution

The fourth proportional to 70,738.48, 97,616.07 and 38,905.32 is: 53,687.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,738.48 : 97,616.07 = 38,905.32 : x
  2. Step 2: Convert to fraction form
    70,738.48/97,616.07 = 38,905.32/x
  3. Step 3: Cross multiply
    70,738.48x = 97,616.07 × 38,905.32
  4. Step 4: Simplify right side
    70,738.48x = 3,797,784,440.49
  5. Step 5: Solve for x
    x = 3,797,784,440.49/70,738.48
  6. Step 6: Final answer
    x = 53,687.67

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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.