Home / 38,071.18-52,513.86-30,535.60

Finding the Fourth Proportional to 38,071.18, 52,513.86 and 30,535.60

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Solution

The fourth proportional to 38,071.18, 52,513.86 and 30,535.60 is: 42,119.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,071.18 : 52,513.86 = 30,535.60 : x
  2. Step 2: Convert to fraction form
    38,071.18/52,513.86 = 30,535.60/x
  3. Step 3: Cross multiply
    38,071.18x = 52,513.86 × 30,535.60
  4. Step 4: Simplify right side
    38,071.18x = 1,603,542,403.57
  5. Step 5: Solve for x
    x = 1,603,542,403.57/38,071.18
  6. Step 6: Final answer
    x = 42,119.58

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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.