Home / 36,905.04-55,259.28-19,338.12

Finding the Fourth Proportional to 36,905.04, 55,259.28 and 19,338.12

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Solution

The fourth proportional to 36,905.04, 55,259.28 and 19,338.12 is: 28,955.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,905.04 : 55,259.28 = 19,338.12 : x
  2. Step 2: Convert to fraction form
    36,905.04/55,259.28 = 19,338.12/x
  3. Step 3: Cross multiply
    36,905.04x = 55,259.28 × 19,338.12
  4. Step 4: Simplify right side
    36,905.04x = 1,068,610,587.75
  5. Step 5: Solve for x
    x = 1,068,610,587.75/36,905.04
  6. Step 6: Final answer
    x = 28,955.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.