Home / 74,979.34-112,466.58-19,575.34

Finding the Fourth Proportional to 74,979.34, 112,466.58 and 19,575.34

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Solution

The fourth proportional to 74,979.34, 112,466.58 and 19,575.34 is: 29,362.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,979.34 : 112,466.58 = 19,575.34 : x
  2. Step 2: Convert to fraction form
    74,979.34/112,466.58 = 19,575.34/x
  3. Step 3: Cross multiply
    74,979.34x = 112,466.58 × 19,575.34
  4. Step 4: Simplify right side
    74,979.34x = 2,201,571,542.14
  5. Step 5: Solve for x
    x = 2,201,571,542.14/74,979.34
  6. Step 6: Final answer
    x = 29,362.38

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1.5x scale

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.