Home / 31,309.44-46,964.16-12,595.20

Finding the Fourth Proportional to 31,309.44, 46,964.16 and 12,595.20

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Solution

The fourth proportional to 31,309.44, 46,964.16 and 12,595.20 is: 18,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,309.44 : 46,964.16 = 12,595.20 : x
  2. Step 2: Convert to fraction form
    31,309.44/46,964.16 = 12,595.20/x
  3. Step 3: Cross multiply
    31,309.44x = 46,964.16 × 12,595.20
  4. Step 4: Simplify right side
    31,309.44x = 591,522,988.03
  5. Step 5: Solve for x
    x = 591,522,988.03/31,309.44
  6. Step 6: Final answer
    x = 18,892.80

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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.