Home / 31,477.30-43,444.50-18,048.65

Finding the Fourth Proportional to 31,477.30, 43,444.50 and 18,048.65

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Solution

The fourth proportional to 31,477.30, 43,444.50 and 18,048.65 is: 24,910.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,477.30 : 43,444.50 = 18,048.65 : x
  2. Step 2: Convert to fraction form
    31,477.30/43,444.50 = 18,048.65/x
  3. Step 3: Cross multiply
    31,477.30x = 43,444.50 × 18,048.65
  4. Step 4: Simplify right side
    31,477.30x = 784,114,574.93
  5. Step 5: Solve for x
    x = 784,114,574.93/31,477.30
  6. Step 6: Final answer
    x = 24,910.48

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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.