Home / 31,769.24-43,840.32-17,621.84

Finding the Fourth Proportional to 31,769.24, 43,840.32 and 17,621.84

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Solution

The fourth proportional to 31,769.24, 43,840.32 and 17,621.84 is: 24,317.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,769.24 : 43,840.32 = 17,621.84 : x
  2. Step 2: Convert to fraction form
    31,769.24/43,840.32 = 17,621.84/x
  3. Step 3: Cross multiply
    31,769.24x = 43,840.32 × 17,621.84
  4. Step 4: Simplify right side
    31,769.24x = 772,547,104.59
  5. Step 5: Solve for x
    x = 772,547,104.59/31,769.24
  6. Step 6: Final answer
    x = 24,317.46

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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.