Home / 74,839.37-112,258.85-30,455.62

Finding the Fourth Proportional to 74,839.37, 112,258.85 and 30,455.62

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Solution

The fourth proportional to 74,839.37, 112,258.85 and 30,455.62 is: 45,683.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,839.37 : 112,258.85 = 30,455.62 : x
  2. Step 2: Convert to fraction form
    74,839.37/112,258.85 = 30,455.62/x
  3. Step 3: Cross multiply
    74,839.37x = 112,258.85 × 30,455.62
  4. Step 4: Simplify right side
    74,839.37x = 3,418,912,444.31
  5. Step 5: Solve for x
    x = 3,418,912,444.31/74,839.37
  6. Step 6: Final answer
    x = 45,683.34

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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.