Home / 31,764.06-43,836.39-18,337.77

Finding the Fourth Proportional to 31,764.06, 43,836.39 and 18,337.77

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Solution

The fourth proportional to 31,764.06, 43,836.39 and 18,337.77 is: 25,307.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,764.06 : 43,836.39 = 18,337.77 : x
  2. Step 2: Convert to fraction form
    31,764.06/43,836.39 = 18,337.77/x
  3. Step 3: Cross multiply
    31,764.06x = 43,836.39 × 18,337.77
  4. Step 4: Simplify right side
    31,764.06x = 803,861,637.45
  5. Step 5: Solve for x
    x = 803,861,637.45/31,764.06
  6. Step 6: Final answer
    x = 25,307.27

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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.