Home / 55,319.40-82,964.22-20,259.24

Finding the Fourth Proportional to 55,319.40, 82,964.22 and 20,259.24

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Solution

The fourth proportional to 55,319.40, 82,964.22 and 20,259.24 is: 30,383.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,319.40 : 82,964.22 = 20,259.24 : x
  2. Step 2: Convert to fraction form
    55,319.40/82,964.22 = 20,259.24/x
  3. Step 3: Cross multiply
    55,319.40x = 82,964.22 × 20,259.24
  4. Step 4: Simplify right side
    55,319.40x = 1,680,792,044.39
  5. Step 5: Solve for x
    x = 1,680,792,044.39/55,319.40
  6. Step 6: Final answer
    x = 30,383.41

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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.