Home / 47,022.94-70,552.77-20,709.19

Finding the Fourth Proportional to 47,022.94, 70,552.77 and 20,709.19

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Solution

The fourth proportional to 47,022.94, 70,552.77 and 20,709.19 is: 31,071.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,022.94 : 70,552.77 = 20,709.19 : x
  2. Step 2: Convert to fraction form
    47,022.94/70,552.77 = 20,709.19/x
  3. Step 3: Cross multiply
    47,022.94x = 70,552.77 × 20,709.19
  4. Step 4: Simplify right side
    47,022.94x = 1,461,090,718.96
  5. Step 5: Solve for x
    x = 1,461,090,718.96/47,022.94
  6. Step 6: Final answer
    x = 31,071.87

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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.