Home / 47,860.56-71,785.26-12,802.95

Finding the Fourth Proportional to 47,860.56, 71,785.26 and 12,802.95

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Solution

The fourth proportional to 47,860.56, 71,785.26 and 12,802.95 is: 19,202.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,860.56 : 71,785.26 = 12,802.95 : x
  2. Step 2: Convert to fraction form
    47,860.56/71,785.26 = 12,802.95/x
  3. Step 3: Cross multiply
    47,860.56x = 71,785.26 × 12,802.95
  4. Step 4: Simplify right side
    47,860.56x = 919,063,094.52
  5. Step 5: Solve for x
    x = 919,063,094.52/47,860.56
  6. Step 6: Final answer
    x = 19,202.93

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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.