Home / 43,007.41-64,529.40-20,837.30

Finding the Fourth Proportional to 43,007.41, 64,529.40 and 20,837.30

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Solution

The fourth proportional to 43,007.41, 64,529.40 and 20,837.30 is: 31,264.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,007.41 : 64,529.40 = 20,837.30 : x
  2. Step 2: Convert to fraction form
    43,007.41/64,529.40 = 20,837.30/x
  3. Step 3: Cross multiply
    43,007.41x = 64,529.40 × 20,837.30
  4. Step 4: Simplify right side
    43,007.41x = 1,344,618,466.62
  5. Step 5: Solve for x
    x = 1,344,618,466.62/43,007.41
  6. Step 6: Final answer
    x = 31,264.81

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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.