Home / 31,126.06-46,689.04-12,419.23

Finding the Fourth Proportional to 31,126.06, 46,689.04 and 12,419.23

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Solution

The fourth proportional to 31,126.06, 46,689.04 and 12,419.23 is: 18,628.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,126.06 : 46,689.04 = 12,419.23 : x
  2. Step 2: Convert to fraction form
    31,126.06/46,689.04 = 12,419.23/x
  3. Step 3: Cross multiply
    31,126.06x = 46,689.04 × 12,419.23
  4. Step 4: Simplify right side
    31,126.06x = 579,841,842.72
  5. Step 5: Solve for x
    x = 579,841,842.72/31,126.06
  6. Step 6: Final answer
    x = 18,628.82

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Double scale
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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.