Home / 56,407.02-84,611.74-18,968.28

Finding the Fourth Proportional to 56,407.02, 84,611.74 and 18,968.28

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Solution

The fourth proportional to 56,407.02, 84,611.74 and 18,968.28 is: 28,452.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,407.02 : 84,611.74 = 18,968.28 : x
  2. Step 2: Convert to fraction form
    56,407.02/84,611.74 = 18,968.28/x
  3. Step 3: Cross multiply
    56,407.02x = 84,611.74 × 18,968.28
  4. Step 4: Simplify right side
    56,407.02x = 1,604,939,175.61
  5. Step 5: Solve for x
    x = 1,604,939,175.61/56,407.02
  6. Step 6: Final answer
    x = 28,452.83

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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.