Home / 31,120.95-46,662.57-12,403.83

Finding the Fourth Proportional to 31,120.95, 46,662.57 and 12,403.83

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Solution

The fourth proportional to 31,120.95, 46,662.57 and 12,403.83 is: 18,598.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,120.95 : 46,662.57 = 12,403.83 : x
  2. Step 2: Convert to fraction form
    31,120.95/46,662.57 = 12,403.83/x
  3. Step 3: Cross multiply
    31,120.95x = 46,662.57 × 12,403.83
  4. Step 4: Simplify right side
    31,120.95x = 578,794,585.64
  5. Step 5: Solve for x
    x = 578,794,585.64/31,120.95
  6. Step 6: Final answer
    x = 18,598.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.