Home / 49,445.98-74,139.06-19,424.28

Finding the Fourth Proportional to 49,445.98, 74,139.06 and 19,424.28

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Solution

The fourth proportional to 49,445.98, 74,139.06 and 19,424.28 is: 29,124.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,445.98 : 74,139.06 = 19,424.28 : x
  2. Step 2: Convert to fraction form
    49,445.98/74,139.06 = 19,424.28/x
  3. Step 3: Cross multiply
    49,445.98x = 74,139.06 × 19,424.28
  4. Step 4: Simplify right side
    49,445.98x = 1,440,097,860.38
  5. Step 5: Solve for x
    x = 1,440,097,860.38/49,445.98
  6. Step 6: Final answer
    x = 29,124.67

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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.