Home / 31,039.56-42,835.50-16,893.32

Finding the Fourth Proportional to 31,039.56, 42,835.50 and 16,893.32

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Solution

The fourth proportional to 31,039.56, 42,835.50 and 16,893.32 is: 23,313.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,039.56 : 42,835.50 = 16,893.32 : x
  2. Step 2: Convert to fraction form
    31,039.56/42,835.50 = 16,893.32/x
  3. Step 3: Cross multiply
    31,039.56x = 42,835.50 × 16,893.32
  4. Step 4: Simplify right side
    31,039.56x = 723,633,808.86
  5. Step 5: Solve for x
    x = 723,633,808.86/31,039.56
  6. Step 6: Final answer
    x = 23,313.28

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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.