Home / 38,987.66-58,480.95-9,405.25

Finding the Fourth Proportional to 38,987.66, 58,480.95 and 9,405.25

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Solution

The fourth proportional to 38,987.66, 58,480.95 and 9,405.25 is: 14,107.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,987.66 : 58,480.95 = 9,405.25 : x
  2. Step 2: Convert to fraction form
    38,987.66/58,480.95 = 9,405.25/x
  3. Step 3: Cross multiply
    38,987.66x = 58,480.95 × 9,405.25
  4. Step 4: Simplify right side
    38,987.66x = 550,027,844.05
  5. Step 5: Solve for x
    x = 550,027,844.05/38,987.66
  6. Step 6: Final answer
    x = 14,107.74

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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.