Home / 30,937.15-46,422.74-13,407.13

Finding the Fourth Proportional to 30,937.15, 46,422.74 and 13,407.13

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Solution

The fourth proportional to 30,937.15, 46,422.74 and 13,407.13 is: 20,118.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,937.15 : 46,422.74 = 13,407.13 : x
  2. Step 2: Convert to fraction form
    30,937.15/46,422.74 = 13,407.13/x
  3. Step 3: Cross multiply
    30,937.15x = 46,422.74 × 13,407.13
  4. Step 4: Simplify right side
    30,937.15x = 622,395,710.14
  5. Step 5: Solve for x
    x = 622,395,710.14/30,937.15
  6. Step 6: Final answer
    x = 20,118.07

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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.