Home / 55,165.33-76,128.65-30,014.29

Finding the Fourth Proportional to 55,165.33, 76,128.65 and 30,014.29

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Solution

The fourth proportional to 55,165.33, 76,128.65 and 30,014.29 is: 41,419.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,165.33 : 76,128.65 = 30,014.29 : x
  2. Step 2: Convert to fraction form
    55,165.33/76,128.65 = 30,014.29/x
  3. Step 3: Cross multiply
    55,165.33x = 76,128.65 × 30,014.29
  4. Step 4: Simplify right side
    55,165.33x = 2,284,947,378.41
  5. Step 5: Solve for x
    x = 2,284,947,378.41/55,165.33
  6. Step 6: Final answer
    x = 41,419.99

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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.