Home / 55,997.45-84,005.08-18,558.84

Finding the Fourth Proportional to 55,997.45, 84,005.08 and 18,558.84

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Solution

The fourth proportional to 55,997.45, 84,005.08 and 18,558.84 is: 27,841.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,997.45 : 84,005.08 = 18,558.84 : x
  2. Step 2: Convert to fraction form
    55,997.45/84,005.08 = 18,558.84/x
  3. Step 3: Cross multiply
    55,997.45x = 84,005.08 × 18,558.84
  4. Step 4: Simplify right side
    55,997.45x = 1,559,036,792.51
  5. Step 5: Solve for x
    x = 1,559,036,792.51/55,997.45
  6. Step 6: Final answer
    x = 27,841.21

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1.5x scale

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.