Home / 35,292.80-48,704.15-19,378.28

Finding the Fourth Proportional to 35,292.80, 48,704.15 and 19,378.28

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Solution

The fourth proportional to 35,292.80, 48,704.15 and 19,378.28 is: 26,742.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,292.80 : 48,704.15 = 19,378.28 : x
  2. Step 2: Convert to fraction form
    35,292.80/48,704.15 = 19,378.28/x
  3. Step 3: Cross multiply
    35,292.80x = 48,704.15 × 19,378.28
  4. Step 4: Simplify right side
    35,292.80x = 943,802,460.79
  5. Step 5: Solve for x
    x = 943,802,460.79/35,292.80
  6. Step 6: Final answer
    x = 26,742.07

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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.