Home / 70,637.78-97,480.18-38,808.73

Finding the Fourth Proportional to 70,637.78, 97,480.18 and 38,808.73

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Solution

The fourth proportional to 70,637.78, 97,480.18 and 38,808.73 is: 53,556.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,637.78 : 97,480.18 = 38,808.73 : x
  2. Step 2: Convert to fraction form
    70,637.78/97,480.18 = 38,808.73/x
  3. Step 3: Cross multiply
    70,637.78x = 97,480.18 × 38,808.73
  4. Step 4: Simplify right side
    70,637.78x = 3,783,081,985.97
  5. Step 5: Solve for x
    x = 3,783,081,985.97/70,637.78
  6. Step 6: Final answer
    x = 53,556.07

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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.