Home / 55,441.20-83,172.76-17,994.32

Finding the Fourth Proportional to 55,441.20, 83,172.76 and 17,994.32

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Solution

The fourth proportional to 55,441.20, 83,172.76 and 17,994.32 is: 26,995.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,441.20 : 83,172.76 = 17,994.32 : x
  2. Step 2: Convert to fraction form
    55,441.20/83,172.76 = 17,994.32/x
  3. Step 3: Cross multiply
    55,441.20x = 83,172.76 × 17,994.32
  4. Step 4: Simplify right side
    55,441.20x = 1,496,637,258.72
  5. Step 5: Solve for x
    x = 1,496,637,258.72/55,441.20
  6. Step 6: Final answer
    x = 26,995.04

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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.