Home / 39,919.58-55,075.31-25,590.98

Finding the Fourth Proportional to 39,919.58, 55,075.31 and 25,590.98

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Solution

The fourth proportional to 39,919.58, 55,075.31 and 25,590.98 is: 35,306.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,919.58 : 55,075.31 = 25,590.98 : x
  2. Step 2: Convert to fraction form
    39,919.58/55,075.31 = 25,590.98/x
  3. Step 3: Cross multiply
    39,919.58x = 55,075.31 × 25,590.98
  4. Step 4: Simplify right side
    39,919.58x = 1,409,431,358.37
  5. Step 5: Solve for x
    x = 1,409,431,358.37/39,919.58
  6. Step 6: Final answer
    x = 35,306.77

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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.