Home / 40,186.56-55,457.18-22,281.57

Finding the Fourth Proportional to 40,186.56, 55,457.18 and 22,281.57

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Solution

The fourth proportional to 40,186.56, 55,457.18 and 22,281.57 is: 30,748.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,186.56 : 55,457.18 = 22,281.57 : x
  2. Step 2: Convert to fraction form
    40,186.56/55,457.18 = 22,281.57/x
  3. Step 3: Cross multiply
    40,186.56x = 55,457.18 × 22,281.57
  4. Step 4: Simplify right side
    40,186.56x = 1,235,673,038.17
  5. Step 5: Solve for x
    x = 1,235,673,038.17/40,186.56
  6. Step 6: Final answer
    x = 30,748.42

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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.