Home / 37,331.90-51,518.02-20,564.90

Finding the Fourth Proportional to 37,331.90, 51,518.02 and 20,564.90

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Solution

The fourth proportional to 37,331.90, 51,518.02 and 20,564.90 is: 28,379.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,331.90 : 51,518.02 = 20,564.90 : x
  2. Step 2: Convert to fraction form
    37,331.90/51,518.02 = 20,564.90/x
  3. Step 3: Cross multiply
    37,331.90x = 51,518.02 × 20,564.90
  4. Step 4: Simplify right side
    37,331.90x = 1,059,462,929.50
  5. Step 5: Solve for x
    x = 1,059,462,929.50/37,331.90
  6. Step 6: Final answer
    x = 28,379.56

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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.