Home / 39,029.54-53,860.84-21,124.70

Finding the Fourth Proportional to 39,029.54, 53,860.84 and 21,124.70

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Solution

The fourth proportional to 39,029.54, 53,860.84 and 21,124.70 is: 29,152.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,029.54 : 53,860.84 = 21,124.70 : x
  2. Step 2: Convert to fraction form
    39,029.54/53,860.84 = 21,124.70/x
  3. Step 3: Cross multiply
    39,029.54x = 53,860.84 × 21,124.70
  4. Step 4: Simplify right side
    39,029.54x = 1,137,794,086.75
  5. Step 5: Solve for x
    x = 1,137,794,086.75/39,029.54
  6. Step 6: Final answer
    x = 29,152.13

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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.