Home / 30,888.27-46,314.84-12,158.15

Finding the Fourth Proportional to 30,888.27, 46,314.84 and 12,158.15

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Solution

The fourth proportional to 30,888.27, 46,314.84 and 12,158.15 is: 18,230.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888.27 : 46,314.84 = 12,158.15 : x
  2. Step 2: Convert to fraction form
    30,888.27/46,314.84 = 12,158.15/x
  3. Step 3: Cross multiply
    30,888.27x = 46,314.84 × 12,158.15
  4. Step 4: Simplify right side
    30,888.27x = 563,102,604.42
  5. Step 5: Solve for x
    x = 563,102,604.42/30,888.27
  6. Step 6: Final answer
    x = 18,230.31

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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.