Home / 70,554.32-97,357.62-39,930.85

Finding the Fourth Proportional to 70,554.32, 97,357.62 and 39,930.85

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Solution

The fourth proportional to 70,554.32, 97,357.62 and 39,930.85 is: 55,100.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,554.32 : 97,357.62 = 39,930.85 : x
  2. Step 2: Convert to fraction form
    70,554.32/97,357.62 = 39,930.85/x
  3. Step 3: Cross multiply
    70,554.32x = 97,357.62 × 39,930.85
  4. Step 4: Simplify right side
    70,554.32x = 3,887,572,792.01
  5. Step 5: Solve for x
    x = 3,887,572,792.01/70,554.32
  6. Step 6: Final answer
    x = 55,100.42

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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.