Home / 35,277.36-48,693.12-20,178.60

Finding the Fourth Proportional to 35,277.36, 48,693.12 and 20,178.60

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Solution

The fourth proportional to 35,277.36, 48,693.12 and 20,178.60 is: 27,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,277.36 : 48,693.12 = 20,178.60 : x
  2. Step 2: Convert to fraction form
    35,277.36/48,693.12 = 20,178.60/x
  3. Step 3: Cross multiply
    35,277.36x = 48,693.12 × 20,178.60
  4. Step 4: Simplify right side
    35,277.36x = 982,558,991.23
  5. Step 5: Solve for x
    x = 982,558,991.23/35,277.36
  6. Step 6: Final answer
    x = 27,852.40

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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.