Home / 31,473.99-43,439.93-18,045.34

Finding the Fourth Proportional to 31,473.99, 43,439.93 and 18,045.34

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Solution

The fourth proportional to 31,473.99, 43,439.93 and 18,045.34 is: 24,905.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,473.99 : 43,439.93 = 18,045.34 : x
  2. Step 2: Convert to fraction form
    31,473.99/43,439.93 = 18,045.34/x
  3. Step 3: Cross multiply
    31,473.99x = 43,439.93 × 18,045.34
  4. Step 4: Simplify right side
    31,473.99x = 783,888,242.94
  5. Step 5: Solve for x
    x = 783,888,242.94/31,473.99
  6. Step 6: Final answer
    x = 24,905.91

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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.