Home / 53,328.24-80,009.64-18,268.20

Finding the Fourth Proportional to 53,328.24, 80,009.64 and 18,268.20

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Solution

The fourth proportional to 53,328.24, 80,009.64 and 18,268.20 is: 27,408.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,328.24 : 80,009.64 = 18,268.20 : x
  2. Step 2: Convert to fraction form
    53,328.24/80,009.64 = 18,268.20/x
  3. Step 3: Cross multiply
    53,328.24x = 80,009.64 × 18,268.20
  4. Step 4: Simplify right side
    53,328.24x = 1,461,632,105.45
  5. Step 5: Solve for x
    x = 1,461,632,105.45/53,328.24
  6. Step 6: Final answer
    x = 27,408.22

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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.