Home / 47,309.16-65,223.84-39,212.55

Finding the Fourth Proportional to 47,309.16, 65,223.84 and 39,212.55

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Solution

The fourth proportional to 47,309.16, 65,223.84 and 39,212.55 is: 54,061.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,309.16 : 65,223.84 = 39,212.55 : x
  2. Step 2: Convert to fraction form
    47,309.16/65,223.84 = 39,212.55/x
  3. Step 3: Cross multiply
    47,309.16x = 65,223.84 × 39,212.55
  4. Step 4: Simplify right side
    47,309.16x = 2,557,593,087.19
  5. Step 5: Solve for x
    x = 2,557,593,087.19/47,309.16
  6. Step 6: Final answer
    x = 54,061.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.