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Finding the Fourth Proportional to 55,570, 83,355 and 14,017

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Solution

The fourth proportional to 55,570, 83,355 and 14,017 is: 21,025.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,570 : 83,355 = 14,017 : x
  2. Step 2: Convert to fraction form
    55,570/83,355 = 14,017/x
  3. Step 3: Cross multiply
    55,570x = 83,355 × 14,017
  4. Step 4: Simplify right side
    55,570x = 1,168,387,035
  5. Step 5: Solve for x
    x = 1,168,387,035/55,570
  6. Step 6: Final answer
    x = 21,025.50

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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.