Home / 53,013.62-79,518.60-13,571.07

Finding the Fourth Proportional to 53,013.62, 79,518.60 and 13,571.07

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Solution

The fourth proportional to 53,013.62, 79,518.60 and 13,571.07 is: 20,356.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,013.62 : 79,518.60 = 13,571.07 : x
  2. Step 2: Convert to fraction form
    53,013.62/79,518.60 = 13,571.07/x
  3. Step 3: Cross multiply
    53,013.62x = 79,518.60 × 13,571.07
  4. Step 4: Simplify right side
    53,013.62x = 1,079,152,486.90
  5. Step 5: Solve for x
    x = 1,079,152,486.90/53,013.62
  6. Step 6: Final answer
    x = 20,356.14

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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.