Home / 37,567.20-51,842.64-20,800.80

Finding the Fourth Proportional to 37,567.20, 51,842.64 and 20,800.80

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Solution

The fourth proportional to 37,567.20, 51,842.64 and 20,800.80 is: 28,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,567.20 : 51,842.64 = 20,800.80 : x
  2. Step 2: Convert to fraction form
    37,567.20/51,842.64 = 20,800.80/x
  3. Step 3: Cross multiply
    37,567.20x = 51,842.64 × 20,800.80
  4. Step 4: Simplify right side
    37,567.20x = 1,078,368,386.11
  5. Step 5: Solve for x
    x = 1,078,368,386.11/37,567.20
  6. Step 6: Final answer
    x = 28,705.05

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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.