Home / 31,776.06-43,852.95-18,349.77

Finding the Fourth Proportional to 31,776.06, 43,852.95 and 18,349.77

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Solution

The fourth proportional to 31,776.06, 43,852.95 and 18,349.77 is: 25,323.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,776.06 : 43,852.95 = 18,349.77 : x
  2. Step 2: Convert to fraction form
    31,776.06/43,852.95 = 18,349.77/x
  3. Step 3: Cross multiply
    31,776.06x = 43,852.95 × 18,349.77
  4. Step 4: Simplify right side
    31,776.06x = 804,691,546.32
  5. Step 5: Solve for x
    x = 804,691,546.32/31,776.06
  6. Step 6: Final answer
    x = 25,323.83

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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.