Home / 37,624.05-51,918.12-20,628

Finding the Fourth Proportional to 37,624.05, 51,918.12 and 20,628

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Solution

The fourth proportional to 37,624.05, 51,918.12 and 20,628 is: 28,464.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,624.05 : 51,918.12 = 20,628 : x
  2. Step 2: Convert to fraction form
    37,624.05/51,918.12 = 20,628/x
  3. Step 3: Cross multiply
    37,624.05x = 51,918.12 × 20,628
  4. Step 4: Simplify right side
    37,624.05x = 1,070,966,979.36
  5. Step 5: Solve for x
    x = 1,070,966,979.36/37,624.05
  6. Step 6: Final answer
    x = 28,464.96

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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.