Home / 70,857.32-97,782.49-39,025.54

Finding the Fourth Proportional to 70,857.32, 97,782.49 and 39,025.54

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Solution

The fourth proportional to 70,857.32, 97,782.49 and 39,025.54 is: 53,854.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,857.32 : 97,782.49 = 39,025.54 : x
  2. Step 2: Convert to fraction form
    70,857.32/97,782.49 = 39,025.54/x
  3. Step 3: Cross multiply
    70,857.32x = 97,782.49 × 39,025.54
  4. Step 4: Simplify right side
    70,857.32x = 3,816,014,474.79
  5. Step 5: Solve for x
    x = 3,816,014,474.79/70,857.32
  6. Step 6: Final answer
    x = 53,854.91

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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.