Home / 47,426.37-71,139.56-12,365.93

Finding the Fourth Proportional to 47,426.37, 71,139.56 and 12,365.93

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Solution

The fourth proportional to 47,426.37, 71,139.56 and 12,365.93 is: 18,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,426.37 : 71,139.56 = 12,365.93 : x
  2. Step 2: Convert to fraction form
    47,426.37/71,139.56 = 12,365.93/x
  3. Step 3: Cross multiply
    47,426.37x = 71,139.56 × 12,365.93
  4. Step 4: Simplify right side
    47,426.37x = 879,706,819.19
  5. Step 5: Solve for x
    x = 879,706,819.19/47,426.37
  6. Step 6: Final answer
    x = 18,548.90

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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.