Home / 49,830.72-74,775.36-45,982.08

Finding the Fourth Proportional to 49,830.72, 74,775.36 and 45,982.08

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Solution

The fourth proportional to 49,830.72, 74,775.36 and 45,982.08 is: 69,000.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,830.72 : 74,775.36 = 45,982.08 : x
  2. Step 2: Convert to fraction form
    49,830.72/74,775.36 = 45,982.08/x
  3. Step 3: Cross multiply
    49,830.72x = 74,775.36 × 45,982.08
  4. Step 4: Simplify right side
    49,830.72x = 3,438,326,585.55
  5. Step 5: Solve for x
    x = 3,438,326,585.55/49,830.72
  6. Step 6: Final answer
    x = 69,000.14

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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.