Home / 57,665.95-86,498.40-18,223.06

Finding the Fourth Proportional to 57,665.95, 86,498.40 and 18,223.06

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Solution

The fourth proportional to 57,665.95, 86,498.40 and 18,223.06 is: 27,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,665.95 : 86,498.40 = 18,223.06 : x
  2. Step 2: Convert to fraction form
    57,665.95/86,498.40 = 18,223.06/x
  3. Step 3: Cross multiply
    57,665.95x = 86,498.40 × 18,223.06
  4. Step 4: Simplify right side
    57,665.95x = 1,576,265,533.10
  5. Step 5: Solve for x
    x = 1,576,265,533.10/57,665.95
  6. Step 6: Final answer
    x = 27,334.42

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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.