Home / 29,779.86-41,115.44-18,461.40

Finding the Fourth Proportional to 29,779.86, 41,115.44 and 18,461.40

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Solution

The fourth proportional to 29,779.86, 41,115.44 and 18,461.40 is: 25,488.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,779.86 : 41,115.44 = 18,461.40 : x
  2. Step 2: Convert to fraction form
    29,779.86/41,115.44 = 18,461.40/x
  3. Step 3: Cross multiply
    29,779.86x = 41,115.44 × 18,461.40
  4. Step 4: Simplify right side
    29,779.86x = 759,048,584.02
  5. Step 5: Solve for x
    x = 759,048,584.02/29,779.86
  6. Step 6: Final answer
    x = 25,488.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.