Home / 34,782.09-52,176.78-11,412.78

Finding the Fourth Proportional to 34,782.09, 52,176.78 and 11,412.78

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Solution

The fourth proportional to 34,782.09, 52,176.78 and 11,412.78 is: 17,120.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,782.09 : 52,176.78 = 11,412.78 : x
  2. Step 2: Convert to fraction form
    34,782.09/52,176.78 = 11,412.78/x
  3. Step 3: Cross multiply
    34,782.09x = 52,176.78 × 11,412.78
  4. Step 4: Simplify right side
    34,782.09x = 595,482,111.25
  5. Step 5: Solve for x
    x = 595,482,111.25/34,782.09
  6. Step 6: Final answer
    x = 17,120.37

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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.