Home / 55,154.56-76,113.28-30,004

Finding the Fourth Proportional to 55,154.56, 76,113.28 and 30,004

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Solution

The fourth proportional to 55,154.56, 76,113.28 and 30,004 is: 41,405.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,154.56 : 76,113.28 = 30,004 : x
  2. Step 2: Convert to fraction form
    55,154.56/76,113.28 = 30,004/x
  3. Step 3: Cross multiply
    55,154.56x = 76,113.28 × 30,004
  4. Step 4: Simplify right side
    55,154.56x = 2,283,702,853.12
  5. Step 5: Solve for x
    x = 2,283,702,853.12/55,154.56
  6. Step 6: Final answer
    x = 41,405.51

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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.