Home / 30,823.36-42,533.04-17,395.36

Finding the Fourth Proportional to 30,823.36, 42,533.04 and 17,395.36

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Solution

The fourth proportional to 30,823.36, 42,533.04 and 17,395.36 is: 24,003.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,823.36 : 42,533.04 = 17,395.36 : x
  2. Step 2: Convert to fraction form
    30,823.36/42,533.04 = 17,395.36/x
  3. Step 3: Cross multiply
    30,823.36x = 42,533.04 × 17,395.36
  4. Step 4: Simplify right side
    30,823.36x = 739,877,542.69
  5. Step 5: Solve for x
    x = 739,877,542.69/30,823.36
  6. Step 6: Final answer
    x = 24,003.79

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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.