Home / 49,504.48-74,238.36-19,912.20

Finding the Fourth Proportional to 49,504.48, 74,238.36 and 19,912.20

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Solution

The fourth proportional to 49,504.48, 74,238.36 and 19,912.20 is: 29,860.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,504.48 : 74,238.36 = 19,912.20 : x
  2. Step 2: Convert to fraction form
    49,504.48/74,238.36 = 19,912.20/x
  3. Step 3: Cross multiply
    49,504.48x = 74,238.36 × 19,912.20
  4. Step 4: Simplify right side
    49,504.48x = 1,478,249,071.99
  5. Step 5: Solve for x
    x = 1,478,249,071.99/49,504.48
  6. Step 6: Final answer
    x = 29,860.92

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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.