Home / 46,990.26-70,442.19-20,319.57

Finding the Fourth Proportional to 46,990.26, 70,442.19 and 20,319.57

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Solution

The fourth proportional to 46,990.26, 70,442.19 and 20,319.57 is: 30,460.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,990.26 : 70,442.19 = 20,319.57 : x
  2. Step 2: Convert to fraction form
    46,990.26/70,442.19 = 20,319.57/x
  3. Step 3: Cross multiply
    46,990.26x = 70,442.19 × 20,319.57
  4. Step 4: Simplify right side
    46,990.26x = 1,431,355,010.66
  5. Step 5: Solve for x
    x = 1,431,355,010.66/46,990.26
  6. Step 6: Final answer
    x = 30,460.67

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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.