Home / 39,574.11-59,360.91-9,991.80

Finding the Fourth Proportional to 39,574.11, 59,360.91 and 9,991.80

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Solution

The fourth proportional to 39,574.11, 59,360.91 and 9,991.80 is: 14,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,574.11 : 59,360.91 = 9,991.80 : x
  2. Step 2: Convert to fraction form
    39,574.11/59,360.91 = 9,991.80/x
  3. Step 3: Cross multiply
    39,574.11x = 59,360.91 × 9,991.80
  4. Step 4: Simplify right side
    39,574.11x = 593,122,340.54
  5. Step 5: Solve for x
    x = 593,122,340.54/39,574.11
  6. Step 6: Final answer
    x = 14,987.64

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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.