Home / 35,929.20-49,582.40-20,824.80

Finding the Fourth Proportional to 35,929.20, 49,582.40 and 20,824.80

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Solution

The fourth proportional to 35,929.20, 49,582.40 and 20,824.80 is: 28,738.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,929.20 : 49,582.40 = 20,824.80 : x
  2. Step 2: Convert to fraction form
    35,929.20/49,582.40 = 20,824.80/x
  3. Step 3: Cross multiply
    35,929.20x = 49,582.40 × 20,824.80
  4. Step 4: Simplify right side
    35,929.20x = 1,032,543,563.52
  5. Step 5: Solve for x
    x = 1,032,543,563.52/35,929.20
  6. Step 6: Final answer
    x = 28,738.28

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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.