Home / 55,230.84-76,218.56-30,080.34

Finding the Fourth Proportional to 55,230.84, 76,218.56 and 30,080.34

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Solution

The fourth proportional to 55,230.84, 76,218.56 and 30,080.34 is: 41,510.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,230.84 : 76,218.56 = 30,080.34 : x
  2. Step 2: Convert to fraction form
    55,230.84/76,218.56 = 30,080.34/x
  3. Step 3: Cross multiply
    55,230.84x = 76,218.56 × 30,080.34
  4. Step 4: Simplify right side
    55,230.84x = 2,292,680,199.11
  5. Step 5: Solve for x
    x = 2,292,680,199.11/55,230.84
  6. Step 6: Final answer
    x = 41,510.87

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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.