Home / 30,652.22-45,935.80-13,971.48

Finding the Fourth Proportional to 30,652.22, 45,935.80 and 13,971.48

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Solution

The fourth proportional to 30,652.22, 45,935.80 and 13,971.48 is: 20,937.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,652.22 : 45,935.80 = 13,971.48 : x
  2. Step 2: Convert to fraction form
    30,652.22/45,935.80 = 13,971.48/x
  3. Step 3: Cross multiply
    30,652.22x = 45,935.80 × 13,971.48
  4. Step 4: Simplify right side
    30,652.22x = 641,791,110.98
  5. Step 5: Solve for x
    x = 641,791,110.98/30,652.22
  6. Step 6: Final answer
    x = 20,937.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.