Home / 55,513.08-83,302.42-20,477.34

Finding the Fourth Proportional to 55,513.08, 83,302.42 and 20,477.34

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Solution

The fourth proportional to 55,513.08, 83,302.42 and 20,477.34 is: 30,728.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,513.08 : 83,302.42 = 20,477.34 : x
  2. Step 2: Convert to fraction form
    55,513.08/83,302.42 = 20,477.34/x
  3. Step 3: Cross multiply
    55,513.08x = 83,302.42 × 20,477.34
  4. Step 4: Simplify right side
    55,513.08x = 1,705,811,977.16
  5. Step 5: Solve for x
    x = 1,705,811,977.16/55,513.08
  6. Step 6: Final answer
    x = 30,728.11

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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.