Home / 60,121.09-82,969.31-38,900.35

Finding the Fourth Proportional to 60,121.09, 82,969.31 and 38,900.35

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Solution

The fourth proportional to 60,121.09, 82,969.31 and 38,900.35 is: 53,683.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,121.09 : 82,969.31 = 38,900.35 : x
  2. Step 2: Convert to fraction form
    60,121.09/82,969.31 = 38,900.35/x
  3. Step 3: Cross multiply
    60,121.09x = 82,969.31 × 38,900.35
  4. Step 4: Simplify right side
    60,121.09x = 3,227,535,399.22
  5. Step 5: Solve for x
    x = 3,227,535,399.22/60,121.09
  6. Step 6: Final answer
    x = 53,683.92

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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.