Home / 46,145.40-69,171.12-21,168.24

Finding the Fourth Proportional to 46,145.40, 69,171.12 and 21,168.24

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Solution

The fourth proportional to 46,145.40, 69,171.12 and 21,168.24 is: 31,730.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,145.40 : 69,171.12 = 21,168.24 : x
  2. Step 2: Convert to fraction form
    46,145.40/69,171.12 = 21,168.24/x
  3. Step 3: Cross multiply
    46,145.40x = 69,171.12 × 21,168.24
  4. Step 4: Simplify right side
    46,145.40x = 1,464,230,869.23
  5. Step 5: Solve for x
    x = 1,464,230,869.23/46,145.40
  6. Step 6: Final answer
    x = 31,730.81

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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.