Home / 37,390.08-51,588.72-21,470.88

Finding the Fourth Proportional to 37,390.08, 51,588.72 and 21,470.88

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Solution

The fourth proportional to 37,390.08, 51,588.72 and 21,470.88 is: 29,624.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,390.08 : 51,588.72 = 21,470.88 : x
  2. Step 2: Convert to fraction form
    37,390.08/51,588.72 = 21,470.88/x
  3. Step 3: Cross multiply
    37,390.08x = 51,588.72 × 21,470.88
  4. Step 4: Simplify right side
    37,390.08x = 1,107,655,216.47
  5. Step 5: Solve for x
    x = 1,107,655,216.47/37,390.08
  6. Step 6: Final answer
    x = 29,624.31

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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.