Home / 65,985.37-98,962.86-39,338.89

Finding the Fourth Proportional to 65,985.37, 98,962.86 and 39,338.89

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Solution

The fourth proportional to 65,985.37, 98,962.86 and 39,338.89 is: 58,999.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,985.37 : 98,962.86 = 39,338.89 : x
  2. Step 2: Convert to fraction form
    65,985.37/98,962.86 = 39,338.89/x
  3. Step 3: Cross multiply
    65,985.37x = 98,962.86 × 39,338.89
  4. Step 4: Simplify right side
    65,985.37x = 3,893,089,063.63
  5. Step 5: Solve for x
    x = 3,893,089,063.63/65,985.37
  6. Step 6: Final answer
    x = 58,999.28

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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.