Home / 49,711.78-74,567.68-40,928.24

Finding the Fourth Proportional to 49,711.78, 74,567.68 and 40,928.24

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Solution

The fourth proportional to 49,711.78, 74,567.68 and 40,928.24 is: 61,392.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,711.78 : 74,567.68 = 40,928.24 : x
  2. Step 2: Convert to fraction form
    49,711.78/74,567.68 = 40,928.24/x
  3. Step 3: Cross multiply
    49,711.78x = 74,567.68 × 40,928.24
  4. Step 4: Simplify right side
    49,711.78x = 3,051,923,903.28
  5. Step 5: Solve for x
    x = 3,051,923,903.28/49,711.78
  6. Step 6: Final answer
    x = 61,392.37

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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.