Home / 30,937.80-46,411.98-12,208.05

Finding the Fourth Proportional to 30,937.80, 46,411.98 and 12,208.05

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Solution

The fourth proportional to 30,937.80, 46,411.98 and 12,208.05 is: 18,314.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,937.80 : 46,411.98 = 12,208.05 : x
  2. Step 2: Convert to fraction form
    30,937.80/46,411.98 = 12,208.05/x
  3. Step 3: Cross multiply
    30,937.80x = 46,411.98 × 12,208.05
  4. Step 4: Simplify right side
    30,937.80x = 566,599,772.44
  5. Step 5: Solve for x
    x = 566,599,772.44/30,937.80
  6. Step 6: Final answer
    x = 18,314.16

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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.