Home / 55,647.12-83,475.84-18,207.42

Finding the Fourth Proportional to 55,647.12, 83,475.84 and 18,207.42

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Solution

The fourth proportional to 55,647.12, 83,475.84 and 18,207.42 is: 27,312.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,647.12 : 83,475.84 = 18,207.42 : x
  2. Step 2: Convert to fraction form
    55,647.12/83,475.84 = 18,207.42/x
  3. Step 3: Cross multiply
    55,647.12x = 83,475.84 × 18,207.42
  4. Step 4: Simplify right side
    55,647.12x = 1,519,879,678.73
  5. Step 5: Solve for x
    x = 1,519,879,678.73/55,647.12
  6. Step 6: Final answer
    x = 27,312.82

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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.