Home / 49,848.42-74,772.09-28,820.10

Finding the Fourth Proportional to 49,848.42, 74,772.09 and 28,820.10

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Solution

The fourth proportional to 49,848.42, 74,772.09 and 28,820.10 is: 43,229.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,848.42 : 74,772.09 = 28,820.10 : x
  2. Step 2: Convert to fraction form
    49,848.42/74,772.09 = 28,820.10/x
  3. Step 3: Cross multiply
    49,848.42x = 74,772.09 × 28,820.10
  4. Step 4: Simplify right side
    49,848.42x = 2,154,939,111.01
  5. Step 5: Solve for x
    x = 2,154,939,111.01/49,848.42
  6. Step 6: Final answer
    x = 43,229.84

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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.