Home / 55,652.72-76,805.61-30,507.08

Finding the Fourth Proportional to 55,652.72, 76,805.61 and 30,507.08

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Solution

The fourth proportional to 55,652.72, 76,805.61 and 30,507.08 is: 42,102.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,652.72 : 76,805.61 = 30,507.08 : x
  2. Step 2: Convert to fraction form
    55,652.72/76,805.61 = 30,507.08/x
  3. Step 3: Cross multiply
    55,652.72x = 76,805.61 × 30,507.08
  4. Step 4: Simplify right side
    55,652.72x = 2,343,114,504.69
  5. Step 5: Solve for x
    x = 2,343,114,504.69/55,652.72
  6. Step 6: Final answer
    x = 42,102.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.