Home / 39,345.74-54,297.91-21,441.50

Finding the Fourth Proportional to 39,345.74, 54,297.91 and 21,441.50

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Solution

The fourth proportional to 39,345.74, 54,297.91 and 21,441.50 is: 29,589.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,345.74 : 54,297.91 = 21,441.50 : x
  2. Step 2: Convert to fraction form
    39,345.74/54,297.91 = 21,441.50/x
  3. Step 3: Cross multiply
    39,345.74x = 54,297.91 × 21,441.50
  4. Step 4: Simplify right side
    39,345.74x = 1,164,228,637.27
  5. Step 5: Solve for x
    x = 1,164,228,637.27/39,345.74
  6. Step 6: Final answer
    x = 29,589.70

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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.