Home / 70,388.26-97,135.82-38,558.30

Finding the Fourth Proportional to 70,388.26, 97,135.82 and 38,558.30

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Solution

The fourth proportional to 70,388.26, 97,135.82 and 38,558.30 is: 53,210.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,388.26 : 97,135.82 = 38,558.30 : x
  2. Step 2: Convert to fraction form
    70,388.26/97,135.82 = 38,558.30/x
  3. Step 3: Cross multiply
    70,388.26x = 97,135.82 × 38,558.30
  4. Step 4: Simplify right side
    70,388.26x = 3,745,392,088.31
  5. Step 5: Solve for x
    x = 3,745,392,088.31/70,388.26
  6. Step 6: Final answer
    x = 53,210.47

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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.