Home / 31,071.96-42,879.24-16,924.77

Finding the Fourth Proportional to 31,071.96, 42,879.24 and 16,924.77

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Solution

The fourth proportional to 31,071.96, 42,879.24 and 16,924.77 is: 23,356.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,071.96 : 42,879.24 = 16,924.77 : x
  2. Step 2: Convert to fraction form
    31,071.96/42,879.24 = 16,924.77/x
  3. Step 3: Cross multiply
    31,071.96x = 42,879.24 × 16,924.77
  4. Step 4: Simplify right side
    31,071.96x = 725,721,274.77
  5. Step 5: Solve for x
    x = 725,721,274.77/31,071.96
  6. Step 6: Final answer
    x = 23,356.15

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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.