Home / 53,045.57-79,569.27-17,986.13

Finding the Fourth Proportional to 53,045.57, 79,569.27 and 17,986.13

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Solution

The fourth proportional to 53,045.57, 79,569.27 and 17,986.13 is: 26,979.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,045.57 : 79,569.27 = 17,986.13 : x
  2. Step 2: Convert to fraction form
    53,045.57/79,569.27 = 17,986.13/x
  3. Step 3: Cross multiply
    53,045.57x = 79,569.27 × 17,986.13
  4. Step 4: Simplify right side
    53,045.57x = 1,431,143,234.23
  5. Step 5: Solve for x
    x = 1,431,143,234.23/53,045.57
  6. Step 6: Final answer
    x = 26,979.51

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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.