Home / 30,403.18-41,955.60-16,974.07

Finding the Fourth Proportional to 30,403.18, 41,955.60 and 16,974.07

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Solution

The fourth proportional to 30,403.18, 41,955.60 and 16,974.07 is: 23,423.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,403.18 : 41,955.60 = 16,974.07 : x
  2. Step 2: Convert to fraction form
    30,403.18/41,955.60 = 16,974.07/x
  3. Step 3: Cross multiply
    30,403.18x = 41,955.60 × 16,974.07
  4. Step 4: Simplify right side
    30,403.18x = 712,157,291.29
  5. Step 5: Solve for x
    x = 712,157,291.29/30,403.18
  6. Step 6: Final answer
    x = 23,423.78

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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.