Home / 55,405.14-76,459.17-30,254.64

Finding the Fourth Proportional to 55,405.14, 76,459.17 and 30,254.64

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Solution

The fourth proportional to 55,405.14, 76,459.17 and 30,254.64 is: 41,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,405.14 : 76,459.17 = 30,254.64 : x
  2. Step 2: Convert to fraction form
    55,405.14/76,459.17 = 30,254.64/x
  3. Step 3: Cross multiply
    55,405.14x = 76,459.17 × 30,254.64
  4. Step 4: Simplify right side
    55,405.14x = 2,313,244,663.05
  5. Step 5: Solve for x
    x = 2,313,244,663.05/55,405.14
  6. Step 6: Final answer
    x = 41,751.45

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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.