Home / 55,154.16-76,113.54-30,003.66

Finding the Fourth Proportional to 55,154.16, 76,113.54 and 30,003.66

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Solution

The fourth proportional to 55,154.16, 76,113.54 and 30,003.66 is: 41,405.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,154.16 : 76,113.54 = 30,003.66 : x
  2. Step 2: Convert to fraction form
    55,154.16/76,113.54 = 30,003.66/x
  3. Step 3: Cross multiply
    55,154.16x = 76,113.54 × 30,003.66
  4. Step 4: Simplify right side
    55,154.16x = 2,283,684,775.56
  5. Step 5: Solve for x
    x = 2,283,684,775.56/55,154.16
  6. Step 6: Final answer
    x = 41,405.49

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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.