Home / 31,486.76-46,983.48-28,177.10

Finding the Fourth Proportional to 31,486.76, 46,983.48 and 28,177.10

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Solution

The fourth proportional to 31,486.76, 46,983.48 and 28,177.10 is: 42,044.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,486.76 : 46,983.48 = 28,177.10 : x
  2. Step 2: Convert to fraction form
    31,486.76/46,983.48 = 28,177.10/x
  3. Step 3: Cross multiply
    31,486.76x = 46,983.48 × 28,177.10
  4. Step 4: Simplify right side
    31,486.76x = 1,323,858,214.31
  5. Step 5: Solve for x
    x = 1,323,858,214.31/31,486.76
  6. Step 6: Final answer
    x = 42,044.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.