Home / 30,708.20-46,033.13-12,000.24

Finding the Fourth Proportional to 30,708.20, 46,033.13 and 12,000.24

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Solution

The fourth proportional to 30,708.20, 46,033.13 and 12,000.24 is: 17,988.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,708.20 : 46,033.13 = 12,000.24 : x
  2. Step 2: Convert to fraction form
    30,708.20/46,033.13 = 12,000.24/x
  3. Step 3: Cross multiply
    30,708.20x = 46,033.13 × 12,000.24
  4. Step 4: Simplify right side
    30,708.20x = 552,408,547.95
  5. Step 5: Solve for x
    x = 552,408,547.95/30,708.20
  6. Step 6: Final answer
    x = 17,988.96

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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.