Home / 34,670.40-51,903.48-21,480.36

Finding the Fourth Proportional to 34,670.40, 51,903.48 and 21,480.36

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Solution

The fourth proportional to 34,670.40, 51,903.48 and 21,480.36 is: 32,157.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,670.40 : 51,903.48 = 21,480.36 : x
  2. Step 2: Convert to fraction form
    34,670.40/51,903.48 = 21,480.36/x
  3. Step 3: Cross multiply
    34,670.40x = 51,903.48 × 21,480.36
  4. Step 4: Simplify right side
    34,670.40x = 1,114,905,435.65
  5. Step 5: Solve for x
    x = 1,114,905,435.65/34,670.40
  6. Step 6: Final answer
    x = 32,157.27

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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.