Home / 31,127.06-46,677.30-11,880.20

Finding the Fourth Proportional to 31,127.06, 46,677.30 and 11,880.20

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Solution

The fourth proportional to 31,127.06, 46,677.30 and 11,880.20 is: 17,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,127.06 : 46,677.30 = 11,880.20 : x
  2. Step 2: Convert to fraction form
    31,127.06/46,677.30 = 11,880.20/x
  3. Step 3: Cross multiply
    31,127.06x = 46,677.30 × 11,880.20
  4. Step 4: Simplify right side
    31,127.06x = 554,535,659.46
  5. Step 5: Solve for x
    x = 554,535,659.46/31,127.06
  6. Step 6: Final answer
    x = 17,815.23

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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.