Home / 31,200.81-43,055.62-17,053.66

Finding the Fourth Proportional to 31,200.81, 43,055.62 and 17,053.66

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Solution

The fourth proportional to 31,200.81, 43,055.62 and 17,053.66 is: 23,533.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,200.81 : 43,055.62 = 17,053.66 : x
  2. Step 2: Convert to fraction form
    31,200.81/43,055.62 = 17,053.66/x
  3. Step 3: Cross multiply
    31,200.81x = 43,055.62 × 17,053.66
  4. Step 4: Simplify right side
    31,200.81x = 734,255,904.57
  5. Step 5: Solve for x
    x = 734,255,904.57/31,200.81
  6. Step 6: Final answer
    x = 23,533.23

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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.