Home / 51,980.47-71,733.09-28,107.16

Finding the Fourth Proportional to 51,980.47, 71,733.09 and 28,107.16

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Solution

The fourth proportional to 51,980.47, 71,733.09 and 28,107.16 is: 38,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,980.47 : 71,733.09 = 28,107.16 : x
  2. Step 2: Convert to fraction form
    51,980.47/71,733.09 = 28,107.16/x
  3. Step 3: Cross multiply
    51,980.47x = 71,733.09 × 28,107.16
  4. Step 4: Simplify right side
    51,980.47x = 2,016,213,437.92
  5. Step 5: Solve for x
    x = 2,016,213,437.92/51,980.47
  6. Step 6: Final answer
    x = 38,787.90

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1.5x scale

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.