Home / 41,320.16-57,021.54-22,457.28

Finding the Fourth Proportional to 41,320.16, 57,021.54 and 22,457.28

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Solution

The fourth proportional to 41,320.16, 57,021.54 and 22,457.28 is: 30,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,320.16 : 57,021.54 = 22,457.28 : x
  2. Step 2: Convert to fraction form
    41,320.16/57,021.54 = 22,457.28/x
  3. Step 3: Cross multiply
    41,320.16x = 57,021.54 × 22,457.28
  4. Step 4: Simplify right side
    41,320.16x = 1,280,548,689.81
  5. Step 5: Solve for x
    x = 1,280,548,689.81/41,320.16
  6. Step 6: Final answer
    x = 30,990.90

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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.