Home / 35,439.12-53,142.28-20,652.27

Finding the Fourth Proportional to 35,439.12, 53,142.28 and 20,652.27

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Solution

The fourth proportional to 35,439.12, 53,142.28 and 20,652.27 is: 30,968.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,439.12 : 53,142.28 = 20,652.27 : x
  2. Step 2: Convert to fraction form
    35,439.12/53,142.28 = 20,652.27/x
  3. Step 3: Cross multiply
    35,439.12x = 53,142.28 × 20,652.27
  4. Step 4: Simplify right side
    35,439.12x = 1,097,508,464.06
  5. Step 5: Solve for x
    x = 1,097,508,464.06/35,439.12
  6. Step 6: Final answer
    x = 30,968.84

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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.