Home / 37,412.45-51,630.27-20,417.79

Finding the Fourth Proportional to 37,412.45, 51,630.27 and 20,417.79

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Solution

The fourth proportional to 37,412.45, 51,630.27 and 20,417.79 is: 28,177.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,412.45 : 51,630.27 = 20,417.79 : x
  2. Step 2: Convert to fraction form
    37,412.45/51,630.27 = 20,417.79/x
  3. Step 3: Cross multiply
    37,412.45x = 51,630.27 × 20,417.79
  4. Step 4: Simplify right side
    37,412.45x = 1,054,176,010.50
  5. Step 5: Solve for x
    x = 1,054,176,010.50/37,412.45
  6. Step 6: Final answer
    x = 28,177.14

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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.