Home / 43,498.80-65,232.32-18,541.40

Finding the Fourth Proportional to 43,498.80, 65,232.32 and 18,541.40

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Solution

The fourth proportional to 43,498.80, 65,232.32 and 18,541.40 is: 27,805.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,498.80 : 65,232.32 = 18,541.40 : x
  2. Step 2: Convert to fraction form
    43,498.80/65,232.32 = 18,541.40/x
  3. Step 3: Cross multiply
    43,498.80x = 65,232.32 × 18,541.40
  4. Step 4: Simplify right side
    43,498.80x = 1,209,498,119.18
  5. Step 5: Solve for x
    x = 1,209,498,119.18/43,498.80
  6. Step 6: Final answer
    x = 27,805.32

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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.