Home / 36,320.64-54,480.96-11,360.16

Finding the Fourth Proportional to 36,320.64, 54,480.96 and 11,360.16

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Solution

The fourth proportional to 36,320.64, 54,480.96 and 11,360.16 is: 17,040.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,320.64 : 54,480.96 = 11,360.16 : x
  2. Step 2: Convert to fraction form
    36,320.64/54,480.96 = 11,360.16/x
  3. Step 3: Cross multiply
    36,320.64x = 54,480.96 × 11,360.16
  4. Step 4: Simplify right side
    36,320.64x = 618,912,422.55
  5. Step 5: Solve for x
    x = 618,912,422.55/36,320.64
  6. Step 6: Final answer
    x = 17,040.24

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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.