Home / 45,030.96-67,519.44-20,058.48

Finding the Fourth Proportional to 45,030.96, 67,519.44 and 20,058.48

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Solution

The fourth proportional to 45,030.96, 67,519.44 and 20,058.48 is: 30,075.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,030.96 : 67,519.44 = 20,058.48 : x
  2. Step 2: Convert to fraction form
    45,030.96/67,519.44 = 20,058.48/x
  3. Step 3: Cross multiply
    45,030.96x = 67,519.44 × 20,058.48
  4. Step 4: Simplify right side
    45,030.96x = 1,354,337,336.85
  5. Step 5: Solve for x
    x = 1,354,337,336.85/45,030.96
  6. Step 6: Final answer
    x = 30,075.69

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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.