Home / 55,501.05-83,251.38-19,962.31

Finding the Fourth Proportional to 55,501.05, 83,251.38 and 19,962.31

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Solution

The fourth proportional to 55,501.05, 83,251.38 and 19,962.31 is: 29,943.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,501.05 : 83,251.38 = 19,962.31 : x
  2. Step 2: Convert to fraction form
    55,501.05/83,251.38 = 19,962.31/x
  3. Step 3: Cross multiply
    55,501.05x = 83,251.38 × 19,962.31
  4. Step 4: Simplify right side
    55,501.05x = 1,661,889,648.95
  5. Step 5: Solve for x
    x = 1,661,889,648.95/55,501.05
  6. Step 6: Final answer
    x = 29,943.39

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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.