Home / 53,012.25-79,518.33-13,569.30

Finding the Fourth Proportional to 53,012.25, 79,518.33 and 13,569.30

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Solution

The fourth proportional to 53,012.25, 79,518.33 and 13,569.30 is: 20,353.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,012.25 : 79,518.33 = 13,569.30 : x
  2. Step 2: Convert to fraction form
    53,012.25/79,518.33 = 13,569.30/x
  3. Step 3: Cross multiply
    53,012.25x = 79,518.33 × 13,569.30
  4. Step 4: Simplify right side
    53,012.25x = 1,079,008,373.46
  5. Step 5: Solve for x
    x = 1,079,008,373.46/53,012.25
  6. Step 6: Final answer
    x = 20,353.94

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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.