Home / 55,509.12-83,218.08-25,912.32

Finding the Fourth Proportional to 55,509.12, 83,218.08 and 25,912.32

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Solution

The fourth proportional to 55,509.12, 83,218.08 and 25,912.32 is: 38,847.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,509.12 : 83,218.08 = 25,912.32 : x
  2. Step 2: Convert to fraction form
    55,509.12/83,218.08 = 25,912.32/x
  3. Step 3: Cross multiply
    55,509.12x = 83,218.08 × 25,912.32
  4. Step 4: Simplify right side
    55,509.12x = 2,156,373,518.75
  5. Step 5: Solve for x
    x = 2,156,373,518.75/55,509.12
  6. Step 6: Final answer
    x = 38,847.19

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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.