Home / 39,433.75-59,141.78-11,347.55

Finding the Fourth Proportional to 39,433.75, 59,141.78 and 11,347.55

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Solution

The fourth proportional to 39,433.75, 59,141.78 and 11,347.55 is: 17,018.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,433.75 : 59,141.78 = 11,347.55 : x
  2. Step 2: Convert to fraction form
    39,433.75/59,141.78 = 11,347.55/x
  3. Step 3: Cross multiply
    39,433.75x = 59,141.78 × 11,347.55
  4. Step 4: Simplify right side
    39,433.75x = 671,114,305.64
  5. Step 5: Solve for x
    x = 671,114,305.64/39,433.75
  6. Step 6: Final answer
    x = 17,018.78

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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.