Home / 36,050.90-54,020.61-28,134.63

Finding the Fourth Proportional to 36,050.90, 54,020.61 and 28,134.63

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Solution

The fourth proportional to 36,050.90, 54,020.61 and 28,134.63 is: 42,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,050.90 : 54,020.61 = 28,134.63 : x
  2. Step 2: Convert to fraction form
    36,050.90/54,020.61 = 28,134.63/x
  3. Step 3: Cross multiply
    36,050.90x = 54,020.61 × 28,134.63
  4. Step 4: Simplify right side
    36,050.90x = 1,519,849,874.72
  5. Step 5: Solve for x
    x = 1,519,849,874.72/36,050.90
  6. Step 6: Final answer
    x = 42,158.45

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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.