Home / 48,875.27-67,455.09-30,971.93

Finding the Fourth Proportional to 48,875.27, 67,455.09 and 30,971.93

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Solution

The fourth proportional to 48,875.27, 67,455.09 and 30,971.93 is: 42,745.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,875.27 : 67,455.09 = 30,971.93 : x
  2. Step 2: Convert to fraction form
    48,875.27/67,455.09 = 30,971.93/x
  3. Step 3: Cross multiply
    48,875.27x = 67,455.09 × 30,971.93
  4. Step 4: Simplify right side
    48,875.27x = 2,089,213,988.35
  5. Step 5: Solve for x
    x = 2,089,213,988.35/48,875.27
  6. Step 6: Final answer
    x = 42,745.83

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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.