Home / 39,706.83-54,795.48-21,802.98

Finding the Fourth Proportional to 39,706.83, 54,795.48 and 21,802.98

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Solution

The fourth proportional to 39,706.83, 54,795.48 and 21,802.98 is: 30,088.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,706.83 : 54,795.48 = 21,802.98 : x
  2. Step 2: Convert to fraction form
    39,706.83/54,795.48 = 21,802.98/x
  3. Step 3: Cross multiply
    39,706.83x = 54,795.48 × 21,802.98
  4. Step 4: Simplify right side
    39,706.83x = 1,194,704,754.53
  5. Step 5: Solve for x
    x = 1,194,704,754.53/39,706.83
  6. Step 6: Final answer
    x = 30,088.14

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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.