Home / 45,998.40-69,043.68-31,003.68

Finding the Fourth Proportional to 45,998.40, 69,043.68 and 31,003.68

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Solution

The fourth proportional to 45,998.40, 69,043.68 and 31,003.68 is: 46,536.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,998.40 : 69,043.68 = 31,003.68 : x
  2. Step 2: Convert to fraction form
    45,998.40/69,043.68 = 31,003.68/x
  3. Step 3: Cross multiply
    45,998.40x = 69,043.68 × 31,003.68
  4. Step 4: Simplify right side
    45,998.40x = 2,140,608,160.74
  5. Step 5: Solve for x
    x = 2,140,608,160.74/45,998.40
  6. Step 6: Final answer
    x = 46,536.58

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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.