Home / 57,647.36-86,463.75-18,208.46

Finding the Fourth Proportional to 57,647.36, 86,463.75 and 18,208.46

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Solution

The fourth proportional to 57,647.36, 86,463.75 and 18,208.46 is: 27,310.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,647.36 : 86,463.75 = 18,208.46 : x
  2. Step 2: Convert to fraction form
    57,647.36/86,463.75 = 18,208.46/x
  3. Step 3: Cross multiply
    57,647.36x = 86,463.75 × 18,208.46
  4. Step 4: Simplify right side
    57,647.36x = 1,574,372,017.77
  5. Step 5: Solve for x
    x = 1,574,372,017.77/57,647.36
  6. Step 6: Final answer
    x = 27,310.39

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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.