Home / 36,984.40-51,038.78-21,068.60

Finding the Fourth Proportional to 36,984.40, 51,038.78 and 21,068.60

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Solution

The fourth proportional to 36,984.40, 51,038.78 and 21,068.60 is: 29,074.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,984.40 : 51,038.78 = 21,068.60 : x
  2. Step 2: Convert to fraction form
    36,984.40/51,038.78 = 21,068.60/x
  3. Step 3: Cross multiply
    36,984.40x = 51,038.78 × 21,068.60
  4. Step 4: Simplify right side
    36,984.40x = 1,075,315,640.31
  5. Step 5: Solve for x
    x = 1,075,315,640.31/36,984.40
  6. Step 6: Final answer
    x = 29,074.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.