Home / 68,305.02-102,457.54-18,385.24

Finding the Fourth Proportional to 68,305.02, 102,457.54 and 18,385.24

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Solution

The fourth proportional to 68,305.02, 102,457.54 and 18,385.24 is: 27,577.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,305.02 : 102,457.54 = 18,385.24 : x
  2. Step 2: Convert to fraction form
    68,305.02/102,457.54 = 18,385.24/x
  3. Step 3: Cross multiply
    68,305.02x = 102,457.54 × 18,385.24
  4. Step 4: Simplify right side
    68,305.02x = 1,883,706,462.71
  5. Step 5: Solve for x
    x = 1,883,706,462.71/68,305.02
  6. Step 6: Final answer
    x = 27,577.86

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1.5x scale

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.