Home / 34,779.78-52,158.74-11,400.75

Finding the Fourth Proportional to 34,779.78, 52,158.74 and 11,400.75

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Solution

The fourth proportional to 34,779.78, 52,158.74 and 11,400.75 is: 17,097.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,779.78 : 52,158.74 = 11,400.75 : x
  2. Step 2: Convert to fraction form
    34,779.78/52,158.74 = 11,400.75/x
  3. Step 3: Cross multiply
    34,779.78x = 52,158.74 × 11,400.75
  4. Step 4: Simplify right side
    34,779.78x = 594,648,698.05
  5. Step 5: Solve for x
    x = 594,648,698.05/34,779.78
  6. Step 6: Final answer
    x = 17,097.54

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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.