Home / 47,722.09-65,862.53-28,859.17

Finding the Fourth Proportional to 47,722.09, 65,862.53 and 28,859.17

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Solution

The fourth proportional to 47,722.09, 65,862.53 and 28,859.17 is: 39,829.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,722.09 : 65,862.53 = 28,859.17 : x
  2. Step 2: Convert to fraction form
    47,722.09/65,862.53 = 28,859.17/x
  3. Step 3: Cross multiply
    47,722.09x = 65,862.53 × 28,859.17
  4. Step 4: Simplify right side
    47,722.09x = 1,900,737,949.90
  5. Step 5: Solve for x
    x = 1,900,737,949.90/47,722.09
  6. Step 6: Final answer
    x = 39,829.31

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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.