Home / 55,386.56-83,075.16-17,945.84

Finding the Fourth Proportional to 55,386.56, 83,075.16 and 17,945.84

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Solution

The fourth proportional to 55,386.56, 83,075.16 and 17,945.84 is: 26,917.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,386.56 : 83,075.16 = 17,945.84 : x
  2. Step 2: Convert to fraction form
    55,386.56/83,075.16 = 17,945.84/x
  3. Step 3: Cross multiply
    55,386.56x = 83,075.16 × 17,945.84
  4. Step 4: Simplify right side
    55,386.56x = 1,490,853,529.33
  5. Step 5: Solve for x
    x = 1,490,853,529.33/55,386.56
  6. Step 6: Final answer
    x = 26,917.24

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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.