Home / 30,832.12-46,274.10-13,315.32

Finding the Fourth Proportional to 30,832.12, 46,274.10 and 13,315.32

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Solution

The fourth proportional to 30,832.12, 46,274.10 and 13,315.32 is: 19,984.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,832.12 : 46,274.10 = 13,315.32 : x
  2. Step 2: Convert to fraction form
    30,832.12/46,274.10 = 13,315.32/x
  3. Step 3: Cross multiply
    30,832.12x = 46,274.10 × 13,315.32
  4. Step 4: Simplify right side
    30,832.12x = 616,154,449.21
  5. Step 5: Solve for x
    x = 616,154,449.21/30,832.12
  6. Step 6: Final answer
    x = 19,984.17

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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.