Home / 51,240.80-70,719.24-30,028.56

Finding the Fourth Proportional to 51,240.80, 70,719.24 and 30,028.56

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Solution

The fourth proportional to 51,240.80, 70,719.24 and 30,028.56 is: 41,443.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,240.80 : 70,719.24 = 30,028.56 : x
  2. Step 2: Convert to fraction form
    51,240.80/70,719.24 = 30,028.56/x
  3. Step 3: Cross multiply
    51,240.80x = 70,719.24 × 30,028.56
  4. Step 4: Simplify right side
    51,240.80x = 2,123,596,941.49
  5. Step 5: Solve for x
    x = 2,123,596,941.49/51,240.80
  6. Step 6: Final answer
    x = 41,443.48

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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.