Home / 35,129.32-48,478.42-19,213.90

Finding the Fourth Proportional to 35,129.32, 48,478.42 and 19,213.90

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Solution

The fourth proportional to 35,129.32, 48,478.42 and 19,213.90 is: 26,515.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,129.32 : 48,478.42 = 19,213.90 : x
  2. Step 2: Convert to fraction form
    35,129.32/48,478.42 = 19,213.90/x
  3. Step 3: Cross multiply
    35,129.32x = 48,478.42 × 19,213.90
  4. Step 4: Simplify right side
    35,129.32x = 931,459,514.04
  5. Step 5: Solve for x
    x = 931,459,514.04/35,129.32
  6. Step 6: Final answer
    x = 26,515.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.