Home / 47,055.36-70,585.47-20,760.33

Finding the Fourth Proportional to 47,055.36, 70,585.47 and 20,760.33

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Solution

The fourth proportional to 47,055.36, 70,585.47 and 20,760.33 is: 31,141.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,055.36 : 70,585.47 = 20,760.33 : x
  2. Step 2: Convert to fraction form
    47,055.36/70,585.47 = 20,760.33/x
  3. Step 3: Cross multiply
    47,055.36x = 70,585.47 × 20,760.33
  4. Step 4: Simplify right side
    47,055.36x = 1,465,377,650.41
  5. Step 5: Solve for x
    x = 1,465,377,650.41/47,055.36
  6. Step 6: Final answer
    x = 31,141.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.