Home / 31,484.79-43,447.68-18,046.44

Finding the Fourth Proportional to 31,484.79, 43,447.68 and 18,046.44

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Solution

The fourth proportional to 31,484.79, 43,447.68 and 18,046.44 is: 24,903.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,484.79 : 43,447.68 = 18,046.44 : x
  2. Step 2: Convert to fraction form
    31,484.79/43,447.68 = 18,046.44/x
  3. Step 3: Cross multiply
    31,484.79x = 43,447.68 × 18,046.44
  4. Step 4: Simplify right side
    31,484.79x = 784,075,950.26
  5. Step 5: Solve for x
    x = 784,075,950.26/31,484.79
  6. Step 6: Final answer
    x = 24,903.32

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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.