Home / 49,075.24-67,722.19-28,931.76

Finding the Fourth Proportional to 49,075.24, 67,722.19 and 28,931.76

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Solution

The fourth proportional to 49,075.24, 67,722.19 and 28,931.76 is: 39,924.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,075.24 : 67,722.19 = 28,931.76 : x
  2. Step 2: Convert to fraction form
    49,075.24/67,722.19 = 28,931.76/x
  3. Step 3: Cross multiply
    49,075.24x = 67,722.19 × 28,931.76
  4. Step 4: Simplify right side
    49,075.24x = 1,959,322,147.75
  5. Step 5: Solve for x
    x = 1,959,322,147.75/49,075.24
  6. Step 6: Final answer
    x = 39,924.86

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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.