Home / 40,186.44-55,457.01-22,281.45

Finding the Fourth Proportional to 40,186.44, 55,457.01 and 22,281.45

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Solution

The fourth proportional to 40,186.44, 55,457.01 and 22,281.45 is: 30,748.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,186.44 : 55,457.01 = 22,281.45 : x
  2. Step 2: Convert to fraction form
    40,186.44/55,457.01 = 22,281.45/x
  3. Step 3: Cross multiply
    40,186.44x = 55,457.01 × 22,281.45
  4. Step 4: Simplify right side
    40,186.44x = 1,235,662,595.46
  5. Step 5: Solve for x
    x = 1,235,662,595.46/40,186.44
  6. Step 6: Final answer
    x = 30,748.25

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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.