Home / 55,657.13-76,807.13-30,163.49

Finding the Fourth Proportional to 55,657.13, 76,807.13 and 30,163.49

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Solution

The fourth proportional to 55,657.13, 76,807.13 and 30,163.49 is: 41,625.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,657.13 : 76,807.13 = 30,163.49 : x
  2. Step 2: Convert to fraction form
    55,657.13/76,807.13 = 30,163.49/x
  3. Step 3: Cross multiply
    55,657.13x = 76,807.13 × 30,163.49
  4. Step 4: Simplify right side
    55,657.13x = 2,316,771,097.68
  5. Step 5: Solve for x
    x = 2,316,771,097.68/55,657.13
  6. Step 6: Final answer
    x = 41,625.77

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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.