Home / 31,184.37-46,779.57-12,459.96

Finding the Fourth Proportional to 31,184.37, 46,779.57 and 12,459.96

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Solution

The fourth proportional to 31,184.37, 46,779.57 and 12,459.96 is: 18,691.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,184.37 : 46,779.57 = 12,459.96 : x
  2. Step 2: Convert to fraction form
    31,184.37/46,779.57 = 12,459.96/x
  3. Step 3: Cross multiply
    31,184.37x = 46,779.57 × 12,459.96
  4. Step 4: Simplify right side
    31,184.37x = 582,871,571.02
  5. Step 5: Solve for x
    x = 582,871,571.02/31,184.37
  6. Step 6: Final answer
    x = 18,691.14

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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.