Home / 34,798.99-48,023.67-20,456.19

Finding the Fourth Proportional to 34,798.99, 48,023.67 and 20,456.19

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Solution

The fourth proportional to 34,798.99, 48,023.67 and 20,456.19 is: 28,230.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,798.99 : 48,023.67 = 20,456.19 : x
  2. Step 2: Convert to fraction form
    34,798.99/48,023.67 = 20,456.19/x
  3. Step 3: Cross multiply
    34,798.99x = 48,023.67 × 20,456.19
  4. Step 4: Simplify right side
    34,798.99x = 982,381,077.90
  5. Step 5: Solve for x
    x = 982,381,077.90/34,798.99
  6. Step 6: Final answer
    x = 28,230.16

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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.