Home / 47,386.71-71,018.37-19,273.98

Finding the Fourth Proportional to 47,386.71, 71,018.37 and 19,273.98

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Solution

The fourth proportional to 47,386.71, 71,018.37 and 19,273.98 is: 28,885.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,386.71 : 71,018.37 = 19,273.98 : x
  2. Step 2: Convert to fraction form
    47,386.71/71,018.37 = 19,273.98/x
  3. Step 3: Cross multiply
    47,386.71x = 71,018.37 × 19,273.98
  4. Step 4: Simplify right side
    47,386.71x = 1,368,806,643.01
  5. Step 5: Solve for x
    x = 1,368,806,643.01/47,386.71
  6. Step 6: Final answer
    x = 28,885.88

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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.