Home / 69,971.36-96,559.85-38,139.57

Finding the Fourth Proportional to 69,971.36, 96,559.85 and 38,139.57

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Solution

The fourth proportional to 69,971.36, 96,559.85 and 38,139.57 is: 52,632.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,971.36 : 96,559.85 = 38,139.57 : x
  2. Step 2: Convert to fraction form
    69,971.36/96,559.85 = 38,139.57/x
  3. Step 3: Cross multiply
    69,971.36x = 96,559.85 × 38,139.57
  4. Step 4: Simplify right side
    69,971.36x = 3,682,750,967.57
  5. Step 5: Solve for x
    x = 3,682,750,967.57/69,971.36
  6. Step 6: Final answer
    x = 52,632.27

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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.