Home / 30,147.66-41,604.74-16,720.16

Finding the Fourth Proportional to 30,147.66, 41,604.74 and 16,720.16

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Solution

The fourth proportional to 30,147.66, 41,604.74 and 16,720.16 is: 23,074.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,147.66 : 41,604.74 = 16,720.16 : x
  2. Step 2: Convert to fraction form
    30,147.66/41,604.74 = 16,720.16/x
  3. Step 3: Cross multiply
    30,147.66x = 41,604.74 × 16,720.16
  4. Step 4: Simplify right side
    30,147.66x = 695,637,617.93
  5. Step 5: Solve for x
    x = 695,637,617.93/30,147.66
  6. Step 6: Final answer
    x = 23,074.35

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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.