Home / 70,230.66-96,918.30-38,399.55

Finding the Fourth Proportional to 70,230.66, 96,918.30 and 38,399.55

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Solution

The fourth proportional to 70,230.66, 96,918.30 and 38,399.55 is: 52,991.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,230.66 : 96,918.30 = 38,399.55 : x
  2. Step 2: Convert to fraction form
    70,230.66/96,918.30 = 38,399.55/x
  3. Step 3: Cross multiply
    70,230.66x = 96,918.30 × 38,399.55
  4. Step 4: Simplify right side
    70,230.66x = 3,721,619,106.77
  5. Step 5: Solve for x
    x = 3,721,619,106.77/70,230.66
  6. Step 6: Final answer
    x = 52,991.37

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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.