Home / 47,923.44-71,889.48-12,862.86

Finding the Fourth Proportional to 47,923.44, 71,889.48 and 12,862.86

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Solution

The fourth proportional to 47,923.44, 71,889.48 and 12,862.86 is: 19,295.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,923.44 : 71,889.48 = 12,862.86 : x
  2. Step 2: Convert to fraction form
    47,923.44/71,889.48 = 12,862.86/x
  3. Step 3: Cross multiply
    47,923.44x = 71,889.48 × 12,862.86
  4. Step 4: Simplify right side
    47,923.44x = 924,704,316.71
  5. Step 5: Solve for x
    x = 924,704,316.71/47,923.44
  6. Step 6: Final answer
    x = 19,295.45

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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.