Home / 33,253.98-45,888.67-18,911.87

Finding the Fourth Proportional to 33,253.98, 45,888.67 and 18,911.87

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Solution

The fourth proportional to 33,253.98, 45,888.67 and 18,911.87 is: 26,097.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,253.98 : 45,888.67 = 18,911.87 : x
  2. Step 2: Convert to fraction form
    33,253.98/45,888.67 = 18,911.87/x
  3. Step 3: Cross multiply
    33,253.98x = 45,888.67 × 18,911.87
  4. Step 4: Simplify right side
    33,253.98x = 867,840,561.51
  5. Step 5: Solve for x
    x = 867,840,561.51/33,253.98
  6. Step 6: Final answer
    x = 26,097.34

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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.