Home / 37,403.63-51,616.89-20,407.76

Finding the Fourth Proportional to 37,403.63, 51,616.89 and 20,407.76

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Solution

The fourth proportional to 37,403.63, 51,616.89 and 20,407.76 is: 28,162.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,403.63 : 51,616.89 = 20,407.76 : x
  2. Step 2: Convert to fraction form
    37,403.63/51,616.89 = 20,407.76/x
  3. Step 3: Cross multiply
    37,403.63x = 51,616.89 × 20,407.76
  4. Step 4: Simplify right side
    37,403.63x = 1,053,384,844.98
  5. Step 5: Solve for x
    x = 1,053,384,844.98/37,403.63
  6. Step 6: Final answer
    x = 28,162.64

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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.