Home / 69,971.65-96,559.89-38,140.67

Finding the Fourth Proportional to 69,971.65, 96,559.89 and 38,140.67

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Solution

The fourth proportional to 69,971.65, 96,559.89 and 38,140.67 is: 52,633.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,971.65 : 96,559.89 = 38,140.67 : x
  2. Step 2: Convert to fraction form
    69,971.65/96,559.89 = 38,140.67/x
  3. Step 3: Cross multiply
    69,971.65x = 96,559.89 × 38,140.67
  4. Step 4: Simplify right side
    69,971.65x = 3,682,858,899.73
  5. Step 5: Solve for x
    x = 3,682,858,899.73/69,971.65
  6. Step 6: Final answer
    x = 52,633.59

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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.