Home / 35,316.96-48,740.40-19,404.60

Finding the Fourth Proportional to 35,316.96, 48,740.40 and 19,404.60

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Solution

The fourth proportional to 35,316.96, 48,740.40 and 19,404.60 is: 26,779.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,316.96 : 48,740.40 = 19,404.60 : x
  2. Step 2: Convert to fraction form
    35,316.96/48,740.40 = 19,404.60/x
  3. Step 3: Cross multiply
    35,316.96x = 48,740.40 × 19,404.60
  4. Step 4: Simplify right side
    35,316.96x = 945,787,965.84
  5. Step 5: Solve for x
    x = 945,787,965.84/35,316.96
  6. Step 6: Final answer
    x = 26,779.99

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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.