Home / 31,139.29-46,718.25-14,509.18

Finding the Fourth Proportional to 31,139.29, 46,718.25 and 14,509.18

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Solution

The fourth proportional to 31,139.29, 46,718.25 and 14,509.18 is: 21,768.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,139.29 : 46,718.25 = 14,509.18 : x
  2. Step 2: Convert to fraction form
    31,139.29/46,718.25 = 14,509.18/x
  3. Step 3: Cross multiply
    31,139.29x = 46,718.25 × 14,509.18
  4. Step 4: Simplify right side
    31,139.29x = 677,843,498.54
  5. Step 5: Solve for x
    x = 677,843,498.54/31,139.29
  6. Step 6: Final answer
    x = 21,768.11

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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.