Home / 45,015.41-67,537.70-21,638.81

Finding the Fourth Proportional to 45,015.41, 67,537.70 and 21,638.81

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Solution

The fourth proportional to 45,015.41, 67,537.70 and 21,638.81 is: 32,465.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,015.41 : 67,537.70 = 21,638.81 : x
  2. Step 2: Convert to fraction form
    45,015.41/67,537.70 = 21,638.81/x
  3. Step 3: Cross multiply
    45,015.41x = 67,537.70 × 21,638.81
  4. Step 4: Simplify right side
    45,015.41x = 1,461,435,458.14
  5. Step 5: Solve for x
    x = 1,461,435,458.14/45,015.41
  6. Step 6: Final answer
    x = 32,465.23

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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.