Home / 37,635.04-51,935.12-20,869.28

Finding the Fourth Proportional to 37,635.04, 51,935.12 and 20,869.28

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Solution

The fourth proportional to 37,635.04, 51,935.12 and 20,869.28 is: 28,798.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,635.04 : 51,935.12 = 20,869.28 : x
  2. Step 2: Convert to fraction form
    37,635.04/51,935.12 = 20,869.28/x
  3. Step 3: Cross multiply
    37,635.04x = 51,935.12 × 20,869.28
  4. Step 4: Simplify right side
    37,635.04x = 1,083,848,561.11
  5. Step 5: Solve for x
    x = 1,083,848,561.11/37,635.04
  6. Step 6: Final answer
    x = 28,798.92

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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.