Home / 37,420.54-51,639.87-20,652.46

Finding the Fourth Proportional to 37,420.54, 51,639.87 and 20,652.46

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Solution

The fourth proportional to 37,420.54, 51,639.87 and 20,652.46 is: 28,500.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,420.54 : 51,639.87 = 20,652.46 : x
  2. Step 2: Convert to fraction form
    37,420.54/51,639.87 = 20,652.46/x
  3. Step 3: Cross multiply
    37,420.54x = 51,639.87 × 20,652.46
  4. Step 4: Simplify right side
    37,420.54x = 1,066,490,349.58
  5. Step 5: Solve for x
    x = 1,066,490,349.58/37,420.54
  6. Step 6: Final answer
    x = 28,500.13

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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.