Home / 39,798.45-54,929.67-22,814.08

Finding the Fourth Proportional to 39,798.45, 54,929.67 and 22,814.08

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Solution

The fourth proportional to 39,798.45, 54,929.67 and 22,814.08 is: 31,487.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,798.45 : 54,929.67 = 22,814.08 : x
  2. Step 2: Convert to fraction form
    39,798.45/54,929.67 = 22,814.08/x
  3. Step 3: Cross multiply
    39,798.45x = 54,929.67 × 22,814.08
  4. Step 4: Simplify right side
    39,798.45x = 1,253,169,885.75
  5. Step 5: Solve for x
    x = 1,253,169,885.75/39,798.45
  6. Step 6: Final answer
    x = 31,487.91

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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.