Home / 31,303.75-43,199.18-18,055.75

Finding the Fourth Proportional to 31,303.75, 43,199.18 and 18,055.75

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Solution

The fourth proportional to 31,303.75, 43,199.18 and 18,055.75 is: 24,916.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,303.75 : 43,199.18 = 18,055.75 : x
  2. Step 2: Convert to fraction form
    31,303.75/43,199.18 = 18,055.75/x
  3. Step 3: Cross multiply
    31,303.75x = 43,199.18 × 18,055.75
  4. Step 4: Simplify right side
    31,303.75x = 779,993,504.01
  5. Step 5: Solve for x
    x = 779,993,504.01/31,303.75
  6. Step 6: Final answer
    x = 24,916.94

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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.