Home / 51,445.13-70,989.41-28,782.95

Finding the Fourth Proportional to 51,445.13, 70,989.41 and 28,782.95

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Solution

The fourth proportional to 51,445.13, 70,989.41 and 28,782.95 is: 39,717.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,445.13 : 70,989.41 = 28,782.95 : x
  2. Step 2: Convert to fraction form
    51,445.13/70,989.41 = 28,782.95/x
  3. Step 3: Cross multiply
    51,445.13x = 70,989.41 × 28,782.95
  4. Step 4: Simplify right side
    51,445.13x = 2,043,284,355.57
  5. Step 5: Solve for x
    x = 2,043,284,355.57/51,445.13
  6. Step 6: Final answer
    x = 39,717.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.