Home / 55,668.08-83,459.28-18,205.40

Finding the Fourth Proportional to 55,668.08, 83,459.28 and 18,205.40

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Solution

The fourth proportional to 55,668.08, 83,459.28 and 18,205.40 is: 27,294.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,668.08 : 83,459.28 = 18,205.40 : x
  2. Step 2: Convert to fraction form
    55,668.08/83,459.28 = 18,205.40/x
  3. Step 3: Cross multiply
    55,668.08x = 83,459.28 × 18,205.40
  4. Step 4: Simplify right side
    55,668.08x = 1,519,409,576.11
  5. Step 5: Solve for x
    x = 1,519,409,576.11/55,668.08
  6. Step 6: Final answer
    x = 27,294.09

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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.