Home / 53,259.51-79,820.24-21,632.54

Finding the Fourth Proportional to 53,259.51, 79,820.24 and 21,632.54

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Solution

The fourth proportional to 53,259.51, 79,820.24 and 21,632.54 is: 32,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,259.51 : 79,820.24 = 21,632.54 : x
  2. Step 2: Convert to fraction form
    53,259.51/79,820.24 = 21,632.54/x
  3. Step 3: Cross multiply
    53,259.51x = 79,820.24 × 21,632.54
  4. Step 4: Simplify right side
    53,259.51x = 1,726,714,027.35
  5. Step 5: Solve for x
    x = 1,726,714,027.35/53,259.51
  6. Step 6: Final answer
    x = 32,420.76

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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.