Home / 53,921.90-80,809.01-34,214.30

Finding the Fourth Proportional to 53,921.90, 80,809.01 and 34,214.30

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Solution

The fourth proportional to 53,921.90, 80,809.01 and 34,214.30 is: 51,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,921.90 : 80,809.01 = 34,214.30 : x
  2. Step 2: Convert to fraction form
    53,921.90/80,809.01 = 34,214.30/x
  3. Step 3: Cross multiply
    53,921.90x = 80,809.01 × 34,214.30
  4. Step 4: Simplify right side
    53,921.90x = 2,764,823,710.84
  5. Step 5: Solve for x
    x = 2,764,823,710.84/53,921.90
  6. Step 6: Final answer
    x = 51,274.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.