Home / 37,890.40-52,164.12-36,020.20

Finding the Fourth Proportional to 37,890.40, 52,164.12 and 36,020.20

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Solution

The fourth proportional to 37,890.40, 52,164.12 and 36,020.20 is: 49,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,890.40 : 52,164.12 = 36,020.20 : x
  2. Step 2: Convert to fraction form
    37,890.40/52,164.12 = 36,020.20/x
  3. Step 3: Cross multiply
    37,890.40x = 52,164.12 × 36,020.20
  4. Step 4: Simplify right side
    37,890.40x = 1,878,962,035.22
  5. Step 5: Solve for x
    x = 1,878,962,035.22/37,890.40
  6. Step 6: Final answer
    x = 49,589.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.