Home / 55,156.02-82,709.42-15,703.90

Finding the Fourth Proportional to 55,156.02, 82,709.42 and 15,703.90

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Solution

The fourth proportional to 55,156.02, 82,709.42 and 15,703.90 is: 23,548.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,156.02 : 82,709.42 = 15,703.90 : x
  2. Step 2: Convert to fraction form
    55,156.02/82,709.42 = 15,703.90/x
  3. Step 3: Cross multiply
    55,156.02x = 82,709.42 × 15,703.90
  4. Step 4: Simplify right side
    55,156.02x = 1,298,860,460.74
  5. Step 5: Solve for x
    x = 1,298,860,460.74/55,156.02
  6. Step 6: Final answer
    x = 23,548.84

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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.