Home / 52,782.22-72,838.60-30,128.24

Finding the Fourth Proportional to 52,782.22, 72,838.60 and 30,128.24

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Solution

The fourth proportional to 52,782.22, 72,838.60 and 30,128.24 is: 41,576.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,782.22 : 72,838.60 = 30,128.24 : x
  2. Step 2: Convert to fraction form
    52,782.22/72,838.60 = 30,128.24/x
  3. Step 3: Cross multiply
    52,782.22x = 72,838.60 × 30,128.24
  4. Step 4: Simplify right side
    52,782.22x = 2,194,498,822.06
  5. Step 5: Solve for x
    x = 2,194,498,822.06/52,782.22
  6. Step 6: Final answer
    x = 41,576.48

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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.