Home / 31,182.32-46,746.75-21,292.22

Finding the Fourth Proportional to 31,182.32, 46,746.75 and 21,292.22

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Solution

The fourth proportional to 31,182.32, 46,746.75 and 21,292.22 is: 31,920.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,182.32 : 46,746.75 = 21,292.22 : x
  2. Step 2: Convert to fraction form
    31,182.32/46,746.75 = 21,292.22/x
  3. Step 3: Cross multiply
    31,182.32x = 46,746.75 × 21,292.22
  4. Step 4: Simplify right side
    31,182.32x = 995,342,085.29
  5. Step 5: Solve for x
    x = 995,342,085.29/31,182.32
  6. Step 6: Final answer
    x = 31,920.08

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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.