Home / 39,941.69-59,902.26-11,855.09

Finding the Fourth Proportional to 39,941.69, 59,902.26 and 11,855.09

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Solution

The fourth proportional to 39,941.69, 59,902.26 and 11,855.09 is: 17,779.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,941.69 : 59,902.26 = 11,855.09 : x
  2. Step 2: Convert to fraction form
    39,941.69/59,902.26 = 11,855.09/x
  3. Step 3: Cross multiply
    39,941.69x = 59,902.26 × 11,855.09
  4. Step 4: Simplify right side
    39,941.69x = 710,146,683.50
  5. Step 5: Solve for x
    x = 710,146,683.50/39,941.69
  6. Step 6: Final answer
    x = 17,779.59

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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.