Home / 39,920.94-59,864.94-13,627.80

Finding the Fourth Proportional to 39,920.94, 59,864.94 and 13,627.80

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Solution

The fourth proportional to 39,920.94, 59,864.94 and 13,627.80 is: 20,436.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,920.94 : 59,864.94 = 13,627.80 : x
  2. Step 2: Convert to fraction form
    39,920.94/59,864.94 = 13,627.80/x
  3. Step 3: Cross multiply
    39,920.94x = 59,864.94 × 13,627.80
  4. Step 4: Simplify right side
    39,920.94x = 815,827,429.33
  5. Step 5: Solve for x
    x = 815,827,429.33/39,920.94
  6. Step 6: Final answer
    x = 20,436.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.