Home / 55,206.29-82,810.80-20,145.94

Finding the Fourth Proportional to 55,206.29, 82,810.80 and 20,145.94

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Solution

The fourth proportional to 55,206.29, 82,810.80 and 20,145.94 is: 30,219.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,206.29 : 82,810.80 = 20,145.94 : x
  2. Step 2: Convert to fraction form
    55,206.29/82,810.80 = 20,145.94/x
  3. Step 3: Cross multiply
    55,206.29x = 82,810.80 × 20,145.94
  4. Step 4: Simplify right side
    55,206.29x = 1,668,301,408.15
  5. Step 5: Solve for x
    x = 1,668,301,408.15/55,206.29
  6. Step 6: Final answer
    x = 30,219.41

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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.