Home / 53,552.19-80,309.75-21,953.28

Finding the Fourth Proportional to 53,552.19, 80,309.75 and 21,953.28

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Solution

The fourth proportional to 53,552.19, 80,309.75 and 21,953.28 is: 32,922.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,552.19 : 80,309.75 = 21,953.28 : x
  2. Step 2: Convert to fraction form
    53,552.19/80,309.75 = 21,953.28/x
  3. Step 3: Cross multiply
    53,552.19x = 80,309.75 × 21,953.28
  4. Step 4: Simplify right side
    53,552.19x = 1,763,062,483.36
  5. Step 5: Solve for x
    x = 1,763,062,483.36/53,552.19
  6. Step 6: Final answer
    x = 32,922.32

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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.