Home / 53,038.21-79,546.12-15,588.12

Finding the Fourth Proportional to 53,038.21, 79,546.12 and 15,588.12

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Solution

The fourth proportional to 53,038.21, 79,546.12 and 15,588.12 is: 23,378.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,038.21 : 79,546.12 = 15,588.12 : x
  2. Step 2: Convert to fraction form
    53,038.21/79,546.12 = 15,588.12/x
  3. Step 3: Cross multiply
    53,038.21x = 79,546.12 × 15,588.12
  4. Step 4: Simplify right side
    53,038.21x = 1,239,974,464.09
  5. Step 5: Solve for x
    x = 1,239,974,464.09/53,038.21
  6. Step 6: Final answer
    x = 23,378.89

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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.