Home / 31,483.77-43,447.05-18,054.24

Finding the Fourth Proportional to 31,483.77, 43,447.05 and 18,054.24

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Solution

The fourth proportional to 31,483.77, 43,447.05 and 18,054.24 is: 24,914.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,483.77 : 43,447.05 = 18,054.24 : x
  2. Step 2: Convert to fraction form
    31,483.77/43,447.05 = 18,054.24/x
  3. Step 3: Cross multiply
    31,483.77x = 43,447.05 × 18,054.24
  4. Step 4: Simplify right side
    31,483.77x = 784,403,467.99
  5. Step 5: Solve for x
    x = 784,403,467.99/31,483.77
  6. Step 6: Final answer
    x = 24,914.53

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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.