Home / 38,987.24-58,484.52-12,684.92

Finding the Fourth Proportional to 38,987.24, 58,484.52 and 12,684.92

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Solution

The fourth proportional to 38,987.24, 58,484.52 and 12,684.92 is: 19,028.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,987.24 : 58,484.52 = 12,684.92 : x
  2. Step 2: Convert to fraction form
    38,987.24/58,484.52 = 12,684.92/x
  3. Step 3: Cross multiply
    38,987.24x = 58,484.52 × 12,684.92
  4. Step 4: Simplify right side
    38,987.24x = 741,871,457.44
  5. Step 5: Solve for x
    x = 741,871,457.44/38,987.24
  6. Step 6: Final answer
    x = 19,028.57

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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.