Home / 49,681.63-74,522.49-20,099.72

Finding the Fourth Proportional to 49,681.63, 74,522.49 and 20,099.72

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Solution

The fourth proportional to 49,681.63, 74,522.49 and 20,099.72 is: 30,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,681.63 : 74,522.49 = 20,099.72 : x
  2. Step 2: Convert to fraction form
    49,681.63/74,522.49 = 20,099.72/x
  3. Step 3: Cross multiply
    49,681.63x = 74,522.49 × 20,099.72
  4. Step 4: Simplify right side
    49,681.63x = 1,497,881,182.70
  5. Step 5: Solve for x
    x = 1,497,881,182.70/49,681.63
  6. Step 6: Final answer
    x = 30,149.60

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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.