Home / 53,976.35-80,964.53-18,916.01

Finding the Fourth Proportional to 53,976.35, 80,964.53 and 18,916.01

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Solution

The fourth proportional to 53,976.35, 80,964.53 and 18,916.01 is: 28,374.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,976.35 : 80,964.53 = 18,916.01 : x
  2. Step 2: Convert to fraction form
    53,976.35/80,964.53 = 18,916.01/x
  3. Step 3: Cross multiply
    53,976.35x = 80,964.53 × 18,916.01
  4. Step 4: Simplify right side
    53,976.35x = 1,531,525,501.59
  5. Step 5: Solve for x
    x = 1,531,525,501.59/53,976.35
  6. Step 6: Final answer
    x = 28,374.01

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1.5x scale

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.