Home / 30,733.36-45,983.36-19,017.52

Finding the Fourth Proportional to 30,733.36, 45,983.36 and 19,017.52

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Solution

The fourth proportional to 30,733.36, 45,983.36 and 19,017.52 is: 28,454.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,733.36 : 45,983.36 = 19,017.52 : x
  2. Step 2: Convert to fraction form
    30,733.36/45,983.36 = 19,017.52/x
  3. Step 3: Cross multiply
    30,733.36x = 45,983.36 × 19,017.52
  4. Step 4: Simplify right side
    30,733.36x = 874,489,468.47
  5. Step 5: Solve for x
    x = 874,489,468.47/30,733.36
  6. Step 6: Final answer
    x = 28,454.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.