Home / 39,703.81-54,775.62-22,698.91

Finding the Fourth Proportional to 39,703.81, 54,775.62 and 22,698.91

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Solution

The fourth proportional to 39,703.81, 54,775.62 and 22,698.91 is: 31,315.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,703.81 : 54,775.62 = 22,698.91 : x
  2. Step 2: Convert to fraction form
    39,703.81/54,775.62 = 22,698.91/x
  3. Step 3: Cross multiply
    39,703.81x = 54,775.62 × 22,698.91
  4. Step 4: Simplify right side
    39,703.81x = 1,243,347,042.21
  5. Step 5: Solve for x
    x = 1,243,347,042.21/39,703.81
  6. Step 6: Final answer
    x = 31,315.56

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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.