Home / 39,703.18-54,779.68-22,703.92

Finding the Fourth Proportional to 39,703.18, 54,779.68 and 22,703.92

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Solution

The fourth proportional to 39,703.18, 54,779.68 and 22,703.92 is: 31,325.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,703.18 : 54,779.68 = 22,703.92 : x
  2. Step 2: Convert to fraction form
    39,703.18/54,779.68 = 22,703.92/x
  3. Step 3: Cross multiply
    39,703.18x = 54,779.68 × 22,703.92
  4. Step 4: Simplify right side
    39,703.18x = 1,243,713,472.35
  5. Step 5: Solve for x
    x = 1,243,713,472.35/39,703.18
  6. Step 6: Final answer
    x = 31,325.29

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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.