Home / 37,380.12-51,582.62-20,384.39

Finding the Fourth Proportional to 37,380.12, 51,582.62 and 20,384.39

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Solution

The fourth proportional to 37,380.12, 51,582.62 and 20,384.39 is: 28,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,380.12 : 51,582.62 = 20,384.39 : x
  2. Step 2: Convert to fraction form
    37,380.12/51,582.62 = 20,384.39/x
  3. Step 3: Cross multiply
    37,380.12x = 51,582.62 × 20,384.39
  4. Step 4: Simplify right side
    37,380.12x = 1,051,480,423.22
  5. Step 5: Solve for x
    x = 1,051,480,423.22/37,380.12
  6. Step 6: Final answer
    x = 28,129.40

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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.