Home / 31,357.64-43,293.81-19,433.63

Finding the Fourth Proportional to 31,357.64, 43,293.81 and 19,433.63

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Solution

The fourth proportional to 31,357.64, 43,293.81 and 19,433.63 is: 26,830.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,357.64 : 43,293.81 = 19,433.63 : x
  2. Step 2: Convert to fraction form
    31,357.64/43,293.81 = 19,433.63/x
  3. Step 3: Cross multiply
    31,357.64x = 43,293.81 × 19,433.63
  4. Step 4: Simplify right side
    31,357.64x = 841,355,668.36
  5. Step 5: Solve for x
    x = 841,355,668.36/31,357.64
  6. Step 6: Final answer
    x = 26,830.97

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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.