Home / 39,499.08-54,509.76-21,594.84

Finding the Fourth Proportional to 39,499.08, 54,509.76 and 21,594.84

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Solution

The fourth proportional to 39,499.08, 54,509.76 and 21,594.84 is: 29,801.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,499.08 : 54,509.76 = 21,594.84 : x
  2. Step 2: Convert to fraction form
    39,499.08/54,509.76 = 21,594.84/x
  3. Step 3: Cross multiply
    39,499.08x = 54,509.76 × 21,594.84
  4. Step 4: Simplify right side
    39,499.08x = 1,177,129,545.64
  5. Step 5: Solve for x
    x = 1,177,129,545.64/39,499.08
  6. Step 6: Final answer
    x = 29,801.44

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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.