Home / 55,490.32-83,235.66-13,937.32

Finding the Fourth Proportional to 55,490.32, 83,235.66 and 13,937.32

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Solution

The fourth proportional to 55,490.32, 83,235.66 and 13,937.32 is: 20,906.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,490.32 : 83,235.66 = 13,937.32 : x
  2. Step 2: Convert to fraction form
    55,490.32/83,235.66 = 13,937.32/x
  3. Step 3: Cross multiply
    55,490.32x = 83,235.66 × 13,937.32
  4. Step 4: Simplify right side
    55,490.32x = 1,160,082,028.83
  5. Step 5: Solve for x
    x = 1,160,082,028.83/55,490.32
  6. Step 6: Final answer
    x = 20,906.03

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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.