Home / 30,899.32-46,349.04-12,427

Finding the Fourth Proportional to 30,899.32, 46,349.04 and 12,427

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Solution

The fourth proportional to 30,899.32, 46,349.04 and 12,427 is: 18,640.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,899.32 : 46,349.04 = 12,427 : x
  2. Step 2: Convert to fraction form
    30,899.32/46,349.04 = 12,427/x
  3. Step 3: Cross multiply
    30,899.32x = 46,349.04 × 12,427
  4. Step 4: Simplify right side
    30,899.32x = 575,979,520.08
  5. Step 5: Solve for x
    x = 575,979,520.08/30,899.32
  6. Step 6: Final answer
    x = 18,640.52

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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.