Home / 34,451.34-47,539.93-20,844.45

Finding the Fourth Proportional to 34,451.34, 47,539.93 and 20,844.45

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Solution

The fourth proportional to 34,451.34, 47,539.93 and 20,844.45 is: 28,763.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,451.34 : 47,539.93 = 20,844.45 : x
  2. Step 2: Convert to fraction form
    34,451.34/47,539.93 = 20,844.45/x
  3. Step 3: Cross multiply
    34,451.34x = 47,539.93 × 20,844.45
  4. Step 4: Simplify right side
    34,451.34x = 990,943,693.89
  5. Step 5: Solve for x
    x = 990,943,693.89/34,451.34
  6. Step 6: Final answer
    x = 28,763.57

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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.