Home / 53,013.24-79,519.32-13,570.20

Finding the Fourth Proportional to 53,013.24, 79,519.32 and 13,570.20

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Solution

The fourth proportional to 53,013.24, 79,519.32 and 13,570.20 is: 20,355.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,013.24 : 79,519.32 = 13,570.20 : x
  2. Step 2: Convert to fraction form
    53,013.24/79,519.32 = 13,570.20/x
  3. Step 3: Cross multiply
    53,013.24x = 79,519.32 × 13,570.20
  4. Step 4: Simplify right side
    53,013.24x = 1,079,093,076.26
  5. Step 5: Solve for x
    x = 1,079,093,076.26/53,013.24
  6. Step 6: Final answer
    x = 20,355.16

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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.