Home / 30,820.04-46,256.30-12,113.16

Finding the Fourth Proportional to 30,820.04, 46,256.30 and 12,113.16

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Solution

The fourth proportional to 30,820.04, 46,256.30 and 12,113.16 is: 18,180.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,820.04 : 46,256.30 = 12,113.16 : x
  2. Step 2: Convert to fraction form
    30,820.04/46,256.30 = 12,113.16/x
  3. Step 3: Cross multiply
    30,820.04x = 46,256.30 × 12,113.16
  4. Step 4: Simplify right side
    30,820.04x = 560,309,962.91
  5. Step 5: Solve for x
    x = 560,309,962.91/30,820.04
  6. Step 6: Final answer
    x = 18,180.05

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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.