Home / 30,066.93-41,491.74-16,638.18

Finding the Fourth Proportional to 30,066.93, 41,491.74 and 16,638.18

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Solution

The fourth proportional to 30,066.93, 41,491.74 and 16,638.18 is: 22,960.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,066.93 : 41,491.74 = 16,638.18 : x
  2. Step 2: Convert to fraction form
    30,066.93/41,491.74 = 16,638.18/x
  3. Step 3: Cross multiply
    30,066.93x = 41,491.74 × 16,638.18
  4. Step 4: Simplify right side
    30,066.93x = 690,346,872.77
  5. Step 5: Solve for x
    x = 690,346,872.77/30,066.93
  6. Step 6: Final answer
    x = 22,960.34

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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.