Home / 35,355.12-48,741.26-28,209.30

Finding the Fourth Proportional to 35,355.12, 48,741.26 and 28,209.30

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Solution

The fourth proportional to 35,355.12, 48,741.26 and 28,209.30 is: 38,889.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,355.12 : 48,741.26 = 28,209.30 : x
  2. Step 2: Convert to fraction form
    35,355.12/48,741.26 = 28,209.30/x
  3. Step 3: Cross multiply
    35,355.12x = 48,741.26 × 28,209.30
  4. Step 4: Simplify right side
    35,355.12x = 1,374,956,684.67
  5. Step 5: Solve for x
    x = 1,374,956,684.67/35,355.12
  6. Step 6: Final answer
    x = 38,889.89

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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.