Home / 31,816.01-43,904.39-19,069.70

Finding the Fourth Proportional to 31,816.01, 43,904.39 and 19,069.70

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Solution

The fourth proportional to 31,816.01, 43,904.39 and 19,069.70 is: 26,315.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,816.01 : 43,904.39 = 19,069.70 : x
  2. Step 2: Convert to fraction form
    31,816.01/43,904.39 = 19,069.70/x
  3. Step 3: Cross multiply
    31,816.01x = 43,904.39 × 19,069.70
  4. Step 4: Simplify right side
    31,816.01x = 837,243,231.11
  5. Step 5: Solve for x
    x = 837,243,231.11/31,816.01
  6. Step 6: Final answer
    x = 26,315.15

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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.