Home / 51,107.76-70,528.17-28,446.39

Finding the Fourth Proportional to 51,107.76, 70,528.17 and 28,446.39

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Solution

The fourth proportional to 51,107.76, 70,528.17 and 28,446.39 is: 39,255.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,107.76 : 70,528.17 = 28,446.39 : x
  2. Step 2: Convert to fraction form
    51,107.76/70,528.17 = 28,446.39/x
  3. Step 3: Cross multiply
    51,107.76x = 70,528.17 × 28,446.39
  4. Step 4: Simplify right side
    51,107.76x = 2,006,271,829.81
  5. Step 5: Solve for x
    x = 2,006,271,829.81/51,107.76
  6. Step 6: Final answer
    x = 39,255.72

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1.5x scale

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.