Home / 70,637.32-97,481.22-38,808.28

Finding the Fourth Proportional to 70,637.32, 97,481.22 and 38,808.28

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Solution

The fourth proportional to 70,637.32, 97,481.22 and 38,808.28 is: 53,556.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,637.32 : 97,481.22 = 38,808.28 : x
  2. Step 2: Convert to fraction form
    70,637.32/97,481.22 = 38,808.28/x
  3. Step 3: Cross multiply
    70,637.32x = 97,481.22 × 38,808.28
  4. Step 4: Simplify right side
    70,637.32x = 3,783,078,480.50
  5. Step 5: Solve for x
    x = 3,783,078,480.50/70,637.32
  6. Step 6: Final answer
    x = 53,556.37

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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.