Home / 55,666.69-76,820.07-30,173.29

Finding the Fourth Proportional to 55,666.69, 76,820.07 and 30,173.29

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Solution

The fourth proportional to 55,666.69, 76,820.07 and 30,173.29 is: 41,639.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,666.69 : 76,820.07 = 30,173.29 : x
  2. Step 2: Convert to fraction form
    55,666.69/76,820.07 = 30,173.29/x
  3. Step 3: Cross multiply
    55,666.69x = 76,820.07 × 30,173.29
  4. Step 4: Simplify right side
    55,666.69x = 2,317,914,249.93
  5. Step 5: Solve for x
    x = 2,317,914,249.93/55,666.69
  6. Step 6: Final answer
    x = 41,639.16

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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.