Home / 53,087.20-79,622.08-19,798.56

Finding the Fourth Proportional to 53,087.20, 79,622.08 and 19,798.56

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Solution

The fourth proportional to 53,087.20, 79,622.08 and 19,798.56 is: 29,694.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,087.20 : 79,622.08 = 19,798.56 : x
  2. Step 2: Convert to fraction form
    53,087.20/79,622.08 = 19,798.56/x
  3. Step 3: Cross multiply
    53,087.20x = 79,622.08 × 19,798.56
  4. Step 4: Simplify right side
    53,087.20x = 1,576,402,528.20
  5. Step 5: Solve for x
    x = 1,576,402,528.20/53,087.20
  6. Step 6: Final answer
    x = 29,694.59

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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.