Home / 48,681.68-67,181.60-28,553.08

Finding the Fourth Proportional to 48,681.68, 67,181.60 and 28,553.08

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Solution

The fourth proportional to 48,681.68, 67,181.60 and 28,553.08 is: 39,403.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,681.68 : 67,181.60 = 28,553.08 : x
  2. Step 2: Convert to fraction form
    48,681.68/67,181.60 = 28,553.08/x
  3. Step 3: Cross multiply
    48,681.68x = 67,181.60 × 28,553.08
  4. Step 4: Simplify right side
    48,681.68x = 1,918,241,599.33
  5. Step 5: Solve for x
    x = 1,918,241,599.33/48,681.68
  6. Step 6: Final answer
    x = 39,403.77

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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.