Home / 37,661.76-51,973.56-21,748.92

Finding the Fourth Proportional to 37,661.76, 51,973.56 and 21,748.92

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Solution

The fourth proportional to 37,661.76, 51,973.56 and 21,748.92 is: 30,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,661.76 : 51,973.56 = 21,748.92 : x
  2. Step 2: Convert to fraction form
    37,661.76/51,973.56 = 21,748.92/x
  3. Step 3: Cross multiply
    37,661.76x = 51,973.56 × 21,748.92
  4. Step 4: Simplify right side
    37,661.76x = 1,130,368,798.56
  5. Step 5: Solve for x
    x = 1,130,368,798.56/37,661.76
  6. Step 6: Final answer
    x = 30,013.70

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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.