Home / 31,104.90-46,679.22-28,130.58

Finding the Fourth Proportional to 31,104.90, 46,679.22 and 28,130.58

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Solution

The fourth proportional to 31,104.90, 46,679.22 and 28,130.58 is: 42,215.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104.90 : 46,679.22 = 28,130.58 : x
  2. Step 2: Convert to fraction form
    31,104.90/46,679.22 = 28,130.58/x
  3. Step 3: Cross multiply
    31,104.90x = 46,679.22 × 28,130.58
  4. Step 4: Simplify right side
    31,104.90x = 1,313,113,532.55
  5. Step 5: Solve for x
    x = 1,313,113,532.55/31,104.90
  6. Step 6: Final answer
    x = 42,215.65

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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.