Home / 55,247.84-82,852.24-17,806.40

Finding the Fourth Proportional to 55,247.84, 82,852.24 and 17,806.40

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Solution

The fourth proportional to 55,247.84, 82,852.24 and 17,806.40 is: 26,703.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,247.84 : 82,852.24 = 17,806.40 : x
  2. Step 2: Convert to fraction form
    55,247.84/82,852.24 = 17,806.40/x
  3. Step 3: Cross multiply
    55,247.84x = 82,852.24 × 17,806.40
  4. Step 4: Simplify right side
    55,247.84x = 1,475,300,126.34
  5. Step 5: Solve for x
    x = 1,475,300,126.34/55,247.84
  6. Step 6: Final answer
    x = 26,703.31

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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.