Home / 40,186.56-55,457.18-22,281.56

Finding the Fourth Proportional to 40,186.56, 55,457.18 and 22,281.56

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Solution

The fourth proportional to 40,186.56, 55,457.18 and 22,281.56 is: 30,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,186.56 : 55,457.18 = 22,281.56 : x
  2. Step 2: Convert to fraction form
    40,186.56/55,457.18 = 22,281.56/x
  3. Step 3: Cross multiply
    40,186.56x = 55,457.18 × 22,281.56
  4. Step 4: Simplify right side
    40,186.56x = 1,235,672,483.60
  5. Step 5: Solve for x
    x = 1,235,672,483.60/40,186.56
  6. Step 6: Final answer
    x = 30,748.40

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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.