Home / 39,991.08-59,966.48-13,327.62

Finding the Fourth Proportional to 39,991.08, 59,966.48 and 13,327.62

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Solution

The fourth proportional to 39,991.08, 59,966.48 and 13,327.62 is: 19,984.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,991.08 : 59,966.48 = 13,327.62 : x
  2. Step 2: Convert to fraction form
    39,991.08/59,966.48 = 13,327.62/x
  3. Step 3: Cross multiply
    39,991.08x = 59,966.48 × 13,327.62
  4. Step 4: Simplify right side
    39,991.08x = 799,210,391.54
  5. Step 5: Solve for x
    x = 799,210,391.54/39,991.08
  6. Step 6: Final answer
    x = 19,984.72

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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.