Home / 50,815.14-70,123.98-28,153.68

Finding the Fourth Proportional to 50,815.14, 70,123.98 and 28,153.68

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Solution

The fourth proportional to 50,815.14, 70,123.98 and 28,153.68 is: 38,851.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,815.14 : 70,123.98 = 28,153.68 : x
  2. Step 2: Convert to fraction form
    50,815.14/70,123.98 = 28,153.68/x
  3. Step 3: Cross multiply
    50,815.14x = 70,123.98 × 28,153.68
  4. Step 4: Simplify right side
    50,815.14x = 1,974,247,742.63
  5. Step 5: Solve for x
    x = 1,974,247,742.63/50,815.14
  6. Step 6: Final answer
    x = 38,851.57

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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.