Home / 37,455.60-51,688.37-20,459.84

Finding the Fourth Proportional to 37,455.60, 51,688.37 and 20,459.84

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Solution

The fourth proportional to 37,455.60, 51,688.37 and 20,459.84 is: 28,234.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,455.60 : 51,688.37 = 20,459.84 : x
  2. Step 2: Convert to fraction form
    37,455.60/51,688.37 = 20,459.84/x
  3. Step 3: Cross multiply
    37,455.60x = 51,688.37 × 20,459.84
  4. Step 4: Simplify right side
    37,455.60x = 1,057,535,780.06
  5. Step 5: Solve for x
    x = 1,057,535,780.06/37,455.60
  6. Step 6: Final answer
    x = 28,234.38

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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.