Home / 31,429.02-43,372.08-18,004.74

Finding the Fourth Proportional to 31,429.02, 43,372.08 and 18,004.74

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Solution

The fourth proportional to 31,429.02, 43,372.08 and 18,004.74 is: 24,846.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,429.02 : 43,372.08 = 18,004.74 : x
  2. Step 2: Convert to fraction form
    31,429.02/43,372.08 = 18,004.74/x
  3. Step 3: Cross multiply
    31,429.02x = 43,372.08 × 18,004.74
  4. Step 4: Simplify right side
    31,429.02x = 780,903,023.66
  5. Step 5: Solve for x
    x = 780,903,023.66/31,429.02
  6. Step 6: Final answer
    x = 24,846.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.