Home / 55,633.38-83,450.07-13,513.20

Finding the Fourth Proportional to 55,633.38, 83,450.07 and 13,513.20

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Solution

The fourth proportional to 55,633.38, 83,450.07 and 13,513.20 is: 20,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,633.38 : 83,450.07 = 13,513.20 : x
  2. Step 2: Convert to fraction form
    55,633.38/83,450.07 = 13,513.20/x
  3. Step 3: Cross multiply
    55,633.38x = 83,450.07 × 13,513.20
  4. Step 4: Simplify right side
    55,633.38x = 1,127,677,485.92
  5. Step 5: Solve for x
    x = 1,127,677,485.92/55,633.38
  6. Step 6: Final answer
    x = 20,269.80

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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.