Home / 55,220.36-82,830.53-13,667.36

Finding the Fourth Proportional to 55,220.36, 82,830.53 and 13,667.36

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Solution

The fourth proportional to 55,220.36, 82,830.53 and 13,667.36 is: 20,501.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,220.36 : 82,830.53 = 13,667.36 : x
  2. Step 2: Convert to fraction form
    55,220.36/82,830.53 = 13,667.36/x
  3. Step 3: Cross multiply
    55,220.36x = 82,830.53 × 13,667.36
  4. Step 4: Simplify right side
    55,220.36x = 1,132,074,292.52
  5. Step 5: Solve for x
    x = 1,132,074,292.52/55,220.36
  6. Step 6: Final answer
    x = 20,501.03

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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.