Home / 38,822.86-53,576.10-21,826.16

Finding the Fourth Proportional to 38,822.86, 53,576.10 and 21,826.16

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Solution

The fourth proportional to 38,822.86, 53,576.10 and 21,826.16 is: 30,120.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,822.86 : 53,576.10 = 21,826.16 : x
  2. Step 2: Convert to fraction form
    38,822.86/53,576.10 = 21,826.16/x
  3. Step 3: Cross multiply
    38,822.86x = 53,576.10 × 21,826.16
  4. Step 4: Simplify right side
    38,822.86x = 1,169,360,463.81
  5. Step 5: Solve for x
    x = 1,169,360,463.81/38,822.86
  6. Step 6: Final answer
    x = 30,120.41

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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.