Home / 39,911.96-55,076.02-22,007.16

Finding the Fourth Proportional to 39,911.96, 55,076.02 and 22,007.16

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Solution

The fourth proportional to 39,911.96, 55,076.02 and 22,007.16 is: 30,368.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,911.96 : 55,076.02 = 22,007.16 : x
  2. Step 2: Convert to fraction form
    39,911.96/55,076.02 = 22,007.16/x
  3. Step 3: Cross multiply
    39,911.96x = 55,076.02 × 22,007.16
  4. Step 4: Simplify right side
    39,911.96x = 1,212,066,784.30
  5. Step 5: Solve for x
    x = 1,212,066,784.30/39,911.96
  6. Step 6: Final answer
    x = 30,368.51

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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.