Home / 55,130.28-82,695.44-13,577.28

Finding the Fourth Proportional to 55,130.28, 82,695.44 and 13,577.28

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Solution

The fourth proportional to 55,130.28, 82,695.44 and 13,577.28 is: 20,365.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,130.28 : 82,695.44 = 13,577.28 : x
  2. Step 2: Convert to fraction form
    55,130.28/82,695.44 = 13,577.28/x
  3. Step 3: Cross multiply
    55,130.28x = 82,695.44 × 13,577.28
  4. Step 4: Simplify right side
    55,130.28x = 1,122,779,143.60
  5. Step 5: Solve for x
    x = 1,122,779,143.60/55,130.28
  6. Step 6: Final answer
    x = 20,365.92

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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.