Home / 55,868.58-83,784.86-18,419.94

Finding the Fourth Proportional to 55,868.58, 83,784.86 and 18,419.94

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Solution

The fourth proportional to 55,868.58, 83,784.86 and 18,419.94 is: 27,623.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,868.58 : 83,784.86 = 18,419.94 : x
  2. Step 2: Convert to fraction form
    55,868.58/83,784.86 = 18,419.94/x
  3. Step 3: Cross multiply
    55,868.58x = 83,784.86 × 18,419.94
  4. Step 4: Simplify right side
    55,868.58x = 1,543,312,094.11
  5. Step 5: Solve for x
    x = 1,543,312,094.11/55,868.58
  6. Step 6: Final answer
    x = 27,623.97

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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.