Home / 51,558.49-71,153.52-28,904.79

Finding the Fourth Proportional to 51,558.49, 71,153.52 and 28,904.79

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Solution

The fourth proportional to 51,558.49, 71,153.52 and 28,904.79 is: 39,890.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,558.49 : 71,153.52 = 28,904.79 : x
  2. Step 2: Convert to fraction form
    51,558.49/71,153.52 = 28,904.79/x
  3. Step 3: Cross multiply
    51,558.49x = 71,153.52 × 28,904.79
  4. Step 4: Simplify right side
    51,558.49x = 2,056,677,553.36
  5. Step 5: Solve for x
    x = 2,056,677,553.36/51,558.49
  6. Step 6: Final answer
    x = 39,890.18

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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.