Home / 30,187.17-41,673.29-18,862.94

Finding the Fourth Proportional to 30,187.17, 41,673.29 and 18,862.94

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Solution

The fourth proportional to 30,187.17, 41,673.29 and 18,862.94 is: 26,040.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,187.17 : 41,673.29 = 18,862.94 : x
  2. Step 2: Convert to fraction form
    30,187.17/41,673.29 = 18,862.94/x
  3. Step 3: Cross multiply
    30,187.17x = 41,673.29 × 18,862.94
  4. Step 4: Simplify right side
    30,187.17x = 786,080,778.74
  5. Step 5: Solve for x
    x = 786,080,778.74/30,187.17
  6. Step 6: Final answer
    x = 26,040.23

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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.