Home / 49,783.74-74,667.51-20,200.38

Finding the Fourth Proportional to 49,783.74, 74,667.51 and 20,200.38

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Solution

The fourth proportional to 49,783.74, 74,667.51 and 20,200.38 is: 30,297.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,783.74 : 74,667.51 = 20,200.38 : x
  2. Step 2: Convert to fraction form
    49,783.74/74,667.51 = 20,200.38/x
  3. Step 3: Cross multiply
    49,783.74x = 74,667.51 × 20,200.38
  4. Step 4: Simplify right side
    49,783.74x = 1,508,312,075.65
  5. Step 5: Solve for x
    x = 1,508,312,075.65/49,783.74
  6. Step 6: Final answer
    x = 30,297.28

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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.