Home / 40,090.25-55,288.00-34,423.22

Finding the Fourth Proportional to 40,090.25, 55,288.00 and 34,423.22

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Solution

The fourth proportional to 40,090.25, 55,288.00 and 34,423.22 is: 47,472.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090.25 : 55,288.00 = 34,423.22 : x
  2. Step 2: Convert to fraction form
    40,090.25/55,288.00 = 34,423.22/x
  3. Step 3: Cross multiply
    40,090.25x = 55,288.00 × 34,423.22
  4. Step 4: Simplify right side
    40,090.25x = 1,903,191,039.52
  5. Step 5: Solve for x
    x = 1,903,191,039.52/40,090.25
  6. Step 6: Final answer
    x = 47,472.66

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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.