Home / 51,302.14-70,777.47-31,151.38

Finding the Fourth Proportional to 51,302.14, 70,777.47 and 31,151.38

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Solution

The fourth proportional to 51,302.14, 70,777.47 and 31,151.38 is: 42,977.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,302.14 : 70,777.47 = 31,151.38 : x
  2. Step 2: Convert to fraction form
    51,302.14/70,777.47 = 31,151.38/x
  3. Step 3: Cross multiply
    51,302.14x = 70,777.47 × 31,151.38
  4. Step 4: Simplify right side
    51,302.14x = 2,204,815,863.41
  5. Step 5: Solve for x
    x = 2,204,815,863.41/51,302.14
  6. Step 6: Final answer
    x = 42,977.07

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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.