Home / 30,392.36-41,908.39-19,762.28

Finding the Fourth Proportional to 30,392.36, 41,908.39 and 19,762.28

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Solution

The fourth proportional to 30,392.36, 41,908.39 and 19,762.28 is: 27,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,392.36 : 41,908.39 = 19,762.28 : x
  2. Step 2: Convert to fraction form
    30,392.36/41,908.39 = 19,762.28/x
  3. Step 3: Cross multiply
    30,392.36x = 41,908.39 × 19,762.28
  4. Step 4: Simplify right side
    30,392.36x = 828,205,337.53
  5. Step 5: Solve for x
    x = 828,205,337.53/30,392.36
  6. Step 6: Final answer
    x = 27,250.45

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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.