Home / 46,710.72-69,940.80-29,145.60

Finding the Fourth Proportional to 46,710.72, 69,940.80 and 29,145.60

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Solution

The fourth proportional to 46,710.72, 69,940.80 and 29,145.60 is: 43,640.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,710.72 : 69,940.80 = 29,145.60 : x
  2. Step 2: Convert to fraction form
    46,710.72/69,940.80 = 29,145.60/x
  3. Step 3: Cross multiply
    46,710.72x = 69,940.80 × 29,145.60
  4. Step 4: Simplify right side
    46,710.72x = 2,038,466,580.48
  5. Step 5: Solve for x
    x = 2,038,466,580.48/46,710.72
  6. Step 6: Final answer
    x = 43,640.23

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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.