Home / 49,505.18-74,240.50-19,915.34

Finding the Fourth Proportional to 49,505.18, 74,240.50 and 19,915.34

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Solution

The fourth proportional to 49,505.18, 74,240.50 and 19,915.34 is: 29,866.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,505.18 : 74,240.50 = 19,915.34 : x
  2. Step 2: Convert to fraction form
    49,505.18/74,240.50 = 19,915.34/x
  3. Step 3: Cross multiply
    49,505.18x = 74,240.50 × 19,915.34
  4. Step 4: Simplify right side
    49,505.18x = 1,478,524,799.27
  5. Step 5: Solve for x
    x = 1,478,524,799.27/49,505.18
  6. Step 6: Final answer
    x = 29,866.06

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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.