Home / 53,220.48-79,823.52-13,777.92

Finding the Fourth Proportional to 53,220.48, 79,823.52 and 13,777.92

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Solution

The fourth proportional to 53,220.48, 79,823.52 and 13,777.92 is: 20,665.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,220.48 : 79,823.52 = 13,777.92 : x
  2. Step 2: Convert to fraction form
    53,220.48/79,823.52 = 13,777.92/x
  3. Step 3: Cross multiply
    53,220.48x = 79,823.52 × 13,777.92
  4. Step 4: Simplify right side
    53,220.48x = 1,099,802,072.68
  5. Step 5: Solve for x
    x = 1,099,802,072.68/53,220.48
  6. Step 6: Final answer
    x = 20,665.02

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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.