Home / 40,543.50-55,934.36-25,429.98

Finding the Fourth Proportional to 40,543.50, 55,934.36 and 25,429.98

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Solution

The fourth proportional to 40,543.50, 55,934.36 and 25,429.98 is: 35,083.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,543.50 : 55,934.36 = 25,429.98 : x
  2. Step 2: Convert to fraction form
    40,543.50/55,934.36 = 25,429.98/x
  3. Step 3: Cross multiply
    40,543.50x = 55,934.36 × 25,429.98
  4. Step 4: Simplify right side
    40,543.50x = 1,422,409,656.11
  5. Step 5: Solve for x
    x = 1,422,409,656.11/40,543.50
  6. Step 6: Final answer
    x = 35,083.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.