Home / 40,187.48-55,457.78-22,282.32

Finding the Fourth Proportional to 40,187.48, 55,457.78 and 22,282.32

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Solution

The fourth proportional to 40,187.48, 55,457.78 and 22,282.32 is: 30,749.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,187.48 : 55,457.78 = 22,282.32 : x
  2. Step 2: Convert to fraction form
    40,187.48/55,457.78 = 22,282.32/x
  3. Step 3: Cross multiply
    40,187.48x = 55,457.78 × 22,282.32
  4. Step 4: Simplify right side
    40,187.48x = 1,235,728,000.45
  5. Step 5: Solve for x
    x = 1,235,728,000.45/40,187.48
  6. Step 6: Final answer
    x = 30,749.08

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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.