Home / 55,387.99-83,074.69-15,409.63

Finding the Fourth Proportional to 55,387.99, 83,074.69 and 15,409.63

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Solution

The fourth proportional to 55,387.99, 83,074.69 and 15,409.63 is: 23,112.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,387.99 : 83,074.69 = 15,409.63 : x
  2. Step 2: Convert to fraction form
    55,387.99/83,074.69 = 15,409.63/x
  3. Step 3: Cross multiply
    55,387.99x = 83,074.69 × 15,409.63
  4. Step 4: Simplify right side
    55,387.99x = 1,280,150,235.26
  5. Step 5: Solve for x
    x = 1,280,150,235.26/55,387.99
  6. Step 6: Final answer
    x = 23,112.42

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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.