Home / 47,426.38-71,139.56-12,365.94

Finding the Fourth Proportional to 47,426.38, 71,139.56 and 12,365.94

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Solution

The fourth proportional to 47,426.38, 71,139.56 and 12,365.94 is: 18,548.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,426.38 : 71,139.56 = 12,365.94 : x
  2. Step 2: Convert to fraction form
    47,426.38/71,139.56 = 12,365.94/x
  3. Step 3: Cross multiply
    47,426.38x = 71,139.56 × 12,365.94
  4. Step 4: Simplify right side
    47,426.38x = 879,707,530.59
  5. Step 5: Solve for x
    x = 879,707,530.59/47,426.38
  6. Step 6: Final answer
    x = 18,548.91

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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.