Home / 55,015.60-82,523.68-23,421.20

Finding the Fourth Proportional to 55,015.60, 82,523.68 and 23,421.20

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Solution

The fourth proportional to 55,015.60, 82,523.68 and 23,421.20 is: 35,131.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,015.60 : 82,523.68 = 23,421.20 : x
  2. Step 2: Convert to fraction form
    55,015.60/82,523.68 = 23,421.20/x
  3. Step 3: Cross multiply
    55,015.60x = 82,523.68 × 23,421.20
  4. Step 4: Simplify right side
    55,015.60x = 1,932,803,614.02
  5. Step 5: Solve for x
    x = 1,932,803,614.02/55,015.60
  6. Step 6: Final answer
    x = 35,131.92

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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.