Home / 47,555.69-71,347.41-21,254.27

Finding the Fourth Proportional to 47,555.69, 71,347.41 and 21,254.27

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Solution

The fourth proportional to 47,555.69, 71,347.41 and 21,254.27 is: 31,887.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,555.69 : 71,347.41 = 21,254.27 : x
  2. Step 2: Convert to fraction form
    47,555.69/71,347.41 = 21,254.27/x
  3. Step 3: Cross multiply
    47,555.69x = 71,347.41 × 21,254.27
  4. Step 4: Simplify right side
    47,555.69x = 1,516,437,294.31
  5. Step 5: Solve for x
    x = 1,516,437,294.31/47,555.69
  6. Step 6: Final answer
    x = 31,887.61

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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.