Home / 69,861.32-96,409.07-38,030.21

Finding the Fourth Proportional to 69,861.32, 96,409.07 and 38,030.21

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Solution

The fourth proportional to 69,861.32, 96,409.07 and 38,030.21 is: 52,481.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,861.32 : 96,409.07 = 38,030.21 : x
  2. Step 2: Convert to fraction form
    69,861.32/96,409.07 = 38,030.21/x
  3. Step 3: Cross multiply
    69,861.32x = 96,409.07 × 38,030.21
  4. Step 4: Simplify right side
    69,861.32x = 3,666,457,178.00
  5. Step 5: Solve for x
    x = 3,666,457,178.00/69,861.32
  6. Step 6: Final answer
    x = 52,481.93

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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.