Home / 35,315.39-48,735.57-19,400.21

Finding the Fourth Proportional to 35,315.39, 48,735.57 and 19,400.21

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Solution

The fourth proportional to 35,315.39, 48,735.57 and 19,400.21 is: 26,772.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,315.39 : 48,735.57 = 19,400.21 : x
  2. Step 2: Convert to fraction form
    35,315.39/48,735.57 = 19,400.21/x
  3. Step 3: Cross multiply
    35,315.39x = 48,735.57 × 19,400.21
  4. Step 4: Simplify right side
    35,315.39x = 945,480,304.30
  5. Step 5: Solve for x
    x = 945,480,304.30/35,315.39
  6. Step 6: Final answer
    x = 26,772.47

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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.