Home / 49,969.44-74,780.28-30,985.20

Finding the Fourth Proportional to 49,969.44, 74,780.28 and 30,985.20

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Solution

The fourth proportional to 49,969.44, 74,780.28 and 30,985.20 is: 46,369.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,969.44 : 74,780.28 = 30,985.20 : x
  2. Step 2: Convert to fraction form
    49,969.44/74,780.28 = 30,985.20/x
  3. Step 3: Cross multiply
    49,969.44x = 74,780.28 × 30,985.20
  4. Step 4: Simplify right side
    49,969.44x = 2,317,081,931.86
  5. Step 5: Solve for x
    x = 2,317,081,931.86/49,969.44
  6. Step 6: Final answer
    x = 46,369.98

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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.