Home / 46,149.40-69,177.12-21,172.24

Finding the Fourth Proportional to 46,149.40, 69,177.12 and 21,172.24

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Solution

The fourth proportional to 46,149.40, 69,177.12 and 21,172.24 is: 31,736.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,149.40 : 69,177.12 = 21,172.24 : x
  2. Step 2: Convert to fraction form
    46,149.40/69,177.12 = 21,172.24/x
  3. Step 3: Cross multiply
    46,149.40x = 69,177.12 × 21,172.24
  4. Step 4: Simplify right side
    46,149.40x = 1,464,634,587.15
  5. Step 5: Solve for x
    x = 1,464,634,587.15/46,149.40
  6. Step 6: Final answer
    x = 31,736.81

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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.