Home / 33,320.16-49,960.80-19,440

Finding the Fourth Proportional to 33,320.16, 49,960.80 and 19,440

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Solution

The fourth proportional to 33,320.16, 49,960.80 and 19,440 is: 29,148.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,320.16 : 49,960.80 = 19,440 : x
  2. Step 2: Convert to fraction form
    33,320.16/49,960.80 = 19,440/x
  3. Step 3: Cross multiply
    33,320.16x = 49,960.80 × 19,440
  4. Step 4: Simplify right side
    33,320.16x = 971,237,952
  5. Step 5: Solve for x
    x = 971,237,952/33,320.16
  6. Step 6: Final answer
    x = 29,148.66

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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.