Home / 55,263.18-76,263.20-30,112.68

Finding the Fourth Proportional to 55,263.18, 76,263.20 and 30,112.68

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Solution

The fourth proportional to 55,263.18, 76,263.20 and 30,112.68 is: 41,555.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,263.18 : 76,263.20 = 30,112.68 : x
  2. Step 2: Convert to fraction form
    55,263.18/76,263.20 = 30,112.68/x
  3. Step 3: Cross multiply
    55,263.18x = 76,263.20 × 30,112.68
  4. Step 4: Simplify right side
    55,263.18x = 2,296,489,337.38
  5. Step 5: Solve for x
    x = 2,296,489,337.38/55,263.18
  6. Step 6: Final answer
    x = 41,555.50

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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.