Home / 30,879.39-46,291.74-15,075.69

Finding the Fourth Proportional to 30,879.39, 46,291.74 and 15,075.69

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Solution

The fourth proportional to 30,879.39, 46,291.74 and 15,075.69 is: 22,600.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,879.39 : 46,291.74 = 15,075.69 : x
  2. Step 2: Convert to fraction form
    30,879.39/46,291.74 = 15,075.69/x
  3. Step 3: Cross multiply
    30,879.39x = 46,291.74 × 15,075.69
  4. Step 4: Simplify right side
    30,879.39x = 697,879,921.80
  5. Step 5: Solve for x
    x = 697,879,921.80/30,879.39
  6. Step 6: Final answer
    x = 22,600.18

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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.