Home / 30,883.13-46,314.30-12,158.26

Finding the Fourth Proportional to 30,883.13, 46,314.30 and 12,158.26

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Solution

The fourth proportional to 30,883.13, 46,314.30 and 12,158.26 is: 18,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,883.13 : 46,314.30 = 12,158.26 : x
  2. Step 2: Convert to fraction form
    30,883.13/46,314.30 = 12,158.26/x
  3. Step 3: Cross multiply
    30,883.13x = 46,314.30 × 12,158.26
  4. Step 4: Simplify right side
    30,883.13x = 563,101,301.12
  5. Step 5: Solve for x
    x = 563,101,301.12/30,883.13
  6. Step 6: Final answer
    x = 18,233.30

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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.