Home / 53,208.72-79,817.58-13,765.32

Finding the Fourth Proportional to 53,208.72, 79,817.58 and 13,765.32

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Solution

The fourth proportional to 53,208.72, 79,817.58 and 13,765.32 is: 20,649.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,208.72 : 79,817.58 = 13,765.32 : x
  2. Step 2: Convert to fraction form
    53,208.72/79,817.58 = 13,765.32/x
  3. Step 3: Cross multiply
    53,208.72x = 79,817.58 × 13,765.32
  4. Step 4: Simplify right side
    53,208.72x = 1,098,714,530.33
  5. Step 5: Solve for x
    x = 1,098,714,530.33/53,208.72
  6. Step 6: Final answer
    x = 20,649.14

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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.