Home / 30,988.62-46,674.14-28,291.86

Finding the Fourth Proportional to 30,988.62, 46,674.14 and 28,291.86

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Solution

The fourth proportional to 30,988.62, 46,674.14 and 28,291.86 is: 42,612.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,988.62 : 46,674.14 = 28,291.86 : x
  2. Step 2: Convert to fraction form
    30,988.62/46,674.14 = 28,291.86/x
  3. Step 3: Cross multiply
    30,988.62x = 46,674.14 × 28,291.86
  4. Step 4: Simplify right side
    30,988.62x = 1,320,498,093.04
  5. Step 5: Solve for x
    x = 1,320,498,093.04/30,988.62
  6. Step 6: Final answer
    x = 42,612.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.