Home / 39,703.92-54,775.78-22,699.02

Finding the Fourth Proportional to 39,703.92, 54,775.78 and 22,699.02

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Solution

The fourth proportional to 39,703.92, 54,775.78 and 22,699.02 is: 31,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,703.92 : 54,775.78 = 22,699.02 : x
  2. Step 2: Convert to fraction form
    39,703.92/54,775.78 = 22,699.02/x
  3. Step 3: Cross multiply
    39,703.92x = 54,775.78 × 22,699.02
  4. Step 4: Simplify right side
    39,703.92x = 1,243,356,674.40
  5. Step 5: Solve for x
    x = 1,243,356,674.40/39,703.92
  6. Step 6: Final answer
    x = 31,315.72

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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.