Home / 55,225.75-82,838.63-13,672.75

Finding the Fourth Proportional to 55,225.75, 82,838.63 and 13,672.75

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Solution

The fourth proportional to 55,225.75, 82,838.63 and 13,672.75 is: 20,509.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,225.75 : 82,838.63 = 13,672.75 : x
  2. Step 2: Convert to fraction form
    55,225.75/82,838.63 = 13,672.75/x
  3. Step 3: Cross multiply
    55,225.75x = 82,838.63 × 13,672.75
  4. Step 4: Simplify right side
    55,225.75x = 1,132,631,878.33
  5. Step 5: Solve for x
    x = 1,132,631,878.33/55,225.75
  6. Step 6: Final answer
    x = 20,509.13

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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.