Home / 55,309.37-76,327.00-30,158.87

Finding the Fourth Proportional to 55,309.37, 76,327.00 and 30,158.87

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Solution

The fourth proportional to 55,309.37, 76,327.00 and 30,158.87 is: 41,619.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,309.37 : 76,327.00 = 30,158.87 : x
  2. Step 2: Convert to fraction form
    55,309.37/76,327.00 = 30,158.87/x
  3. Step 3: Cross multiply
    55,309.37x = 76,327.00 × 30,158.87
  4. Step 4: Simplify right side
    55,309.37x = 2,301,935,613.46
  5. Step 5: Solve for x
    x = 2,301,935,613.46/55,309.37
  6. Step 6: Final answer
    x = 41,619.27

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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.