Home / 30,118.93-41,562.36-16,689.37

Finding the Fourth Proportional to 30,118.93, 41,562.36 and 16,689.37

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Solution

The fourth proportional to 30,118.93, 41,562.36 and 16,689.37 is: 23,030.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.93 : 41,562.36 = 16,689.37 : x
  2. Step 2: Convert to fraction form
    30,118.93/41,562.36 = 16,689.37/x
  3. Step 3: Cross multiply
    30,118.93x = 41,562.36 × 16,689.37
  4. Step 4: Simplify right side
    30,118.93x = 693,649,604.11
  5. Step 5: Solve for x
    x = 693,649,604.11/30,118.93
  6. Step 6: Final answer
    x = 23,030.35

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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.