Home / 49,739.81-74,607.28-18,572.63

Finding the Fourth Proportional to 49,739.81, 74,607.28 and 18,572.63

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Solution

The fourth proportional to 49,739.81, 74,607.28 and 18,572.63 is: 27,858.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,739.81 : 74,607.28 = 18,572.63 : x
  2. Step 2: Convert to fraction form
    49,739.81/74,607.28 = 18,572.63/x
  3. Step 3: Cross multiply
    49,739.81x = 74,607.28 × 18,572.63
  4. Step 4: Simplify right side
    49,739.81x = 1,385,652,987.28
  5. Step 5: Solve for x
    x = 1,385,652,987.28/49,739.81
  6. Step 6: Final answer
    x = 27,858.03

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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.