Home / 53,091.20-79,628.08-19,802.56

Finding the Fourth Proportional to 53,091.20, 79,628.08 and 19,802.56

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Solution

The fourth proportional to 53,091.20, 79,628.08 and 19,802.56 is: 29,700.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,091.20 : 79,628.08 = 19,802.56 : x
  2. Step 2: Convert to fraction form
    53,091.20/79,628.08 = 19,802.56/x
  3. Step 3: Cross multiply
    53,091.20x = 79,628.08 × 19,802.56
  4. Step 4: Simplify right side
    53,091.20x = 1,576,839,831.88
  5. Step 5: Solve for x
    x = 1,576,839,831.88/53,091.20
  6. Step 6: Final answer
    x = 29,700.59

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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.