Home / 35,129.80-48,479.04-19,214.25

Finding the Fourth Proportional to 35,129.80, 48,479.04 and 19,214.25

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Solution

The fourth proportional to 35,129.80, 48,479.04 and 19,214.25 is: 26,515.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,129.80 : 48,479.04 = 19,214.25 : x
  2. Step 2: Convert to fraction form
    35,129.80/48,479.04 = 19,214.25/x
  3. Step 3: Cross multiply
    35,129.80x = 48,479.04 × 19,214.25
  4. Step 4: Simplify right side
    35,129.80x = 931,488,283.92
  5. Step 5: Solve for x
    x = 931,488,283.92/35,129.80
  6. Step 6: Final answer
    x = 26,515.62

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1.5x scale

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.