Home / 34,689.63-47,860.52-21,246.87

Finding the Fourth Proportional to 34,689.63, 47,860.52 and 21,246.87

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Solution

The fourth proportional to 34,689.63, 47,860.52 and 21,246.87 is: 29,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,689.63 : 47,860.52 = 21,246.87 : x
  2. Step 2: Convert to fraction form
    34,689.63/47,860.52 = 21,246.87/x
  3. Step 3: Cross multiply
    34,689.63x = 47,860.52 × 21,246.87
  4. Step 4: Simplify right side
    34,689.63x = 1,016,886,140.34
  5. Step 5: Solve for x
    x = 1,016,886,140.34/34,689.63
  6. Step 6: Final answer
    x = 29,313.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.