Home / 56,406.02-84,610.24-18,967.28

Finding the Fourth Proportional to 56,406.02, 84,610.24 and 18,967.28

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Solution

The fourth proportional to 56,406.02, 84,610.24 and 18,967.28 is: 28,451.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,406.02 : 84,610.24 = 18,967.28 : x
  2. Step 2: Convert to fraction form
    56,406.02/84,610.24 = 18,967.28/x
  3. Step 3: Cross multiply
    56,406.02x = 84,610.24 × 18,967.28
  4. Step 4: Simplify right side
    56,406.02x = 1,604,825,642.48
  5. Step 5: Solve for x
    x = 1,604,825,642.48/56,406.02
  6. Step 6: Final answer
    x = 28,451.32

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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.