Home / 35,425.85-48,886.74-20,327.45

Finding the Fourth Proportional to 35,425.85, 48,886.74 and 20,327.45

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Solution

The fourth proportional to 35,425.85, 48,886.74 and 20,327.45 is: 28,051.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,425.85 : 48,886.74 = 20,327.45 : x
  2. Step 2: Convert to fraction form
    35,425.85/48,886.74 = 20,327.45/x
  3. Step 3: Cross multiply
    35,425.85x = 48,886.74 × 20,327.45
  4. Step 4: Simplify right side
    35,425.85x = 993,742,518.58
  5. Step 5: Solve for x
    x = 993,742,518.58/35,425.85
  6. Step 6: Final answer
    x = 28,051.34

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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.