Home / 57,962.16-86,900.64-18,496.56

Finding the Fourth Proportional to 57,962.16, 86,900.64 and 18,496.56

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Solution

The fourth proportional to 57,962.16, 86,900.64 and 18,496.56 is: 27,731.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,962.16 : 86,900.64 = 18,496.56 : x
  2. Step 2: Convert to fraction form
    57,962.16/86,900.64 = 18,496.56/x
  3. Step 3: Cross multiply
    57,962.16x = 86,900.64 × 18,496.56
  4. Step 4: Simplify right side
    57,962.16x = 1,607,362,901.80
  5. Step 5: Solve for x
    x = 1,607,362,901.80/57,962.16
  6. Step 6: Final answer
    x = 27,731.25

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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.