Home / 64,858.02-97,287.21-18,111.30

Finding the Fourth Proportional to 64,858.02, 97,287.21 and 18,111.30

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Solution

The fourth proportional to 64,858.02, 97,287.21 and 18,111.30 is: 27,167.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,858.02 : 97,287.21 = 18,111.30 : x
  2. Step 2: Convert to fraction form
    64,858.02/97,287.21 = 18,111.30/x
  3. Step 3: Cross multiply
    64,858.02x = 97,287.21 × 18,111.30
  4. Step 4: Simplify right side
    64,858.02x = 1,761,997,846.47
  5. Step 5: Solve for x
    x = 1,761,997,846.47/64,858.02
  6. Step 6: Final answer
    x = 27,167.00

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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.