Home / 44,865.60-61,930.08-30,765.12

Finding the Fourth Proportional to 44,865.60, 61,930.08 and 30,765.12

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Solution

The fourth proportional to 44,865.60, 61,930.08 and 30,765.12 is: 42,466.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,865.60 : 61,930.08 = 30,765.12 : x
  2. Step 2: Convert to fraction form
    44,865.60/61,930.08 = 30,765.12/x
  3. Step 3: Cross multiply
    44,865.60x = 61,930.08 × 30,765.12
  4. Step 4: Simplify right side
    44,865.60x = 1,905,286,342.81
  5. Step 5: Solve for x
    x = 1,905,286,342.81/44,865.60
  6. Step 6: Final answer
    x = 42,466.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.