Home / 50,345.42-75,488.70-20,729.84

Finding the Fourth Proportional to 50,345.42, 75,488.70 and 20,729.84

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Solution

The fourth proportional to 50,345.42, 75,488.70 and 20,729.84 is: 31,082.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,345.42 : 75,488.70 = 20,729.84 : x
  2. Step 2: Convert to fraction form
    50,345.42/75,488.70 = 20,729.84/x
  3. Step 3: Cross multiply
    50,345.42x = 75,488.70 × 20,729.84
  4. Step 4: Simplify right side
    50,345.42x = 1,564,868,672.81
  5. Step 5: Solve for x
    x = 1,564,868,672.81/50,345.42
  6. Step 6: Final answer
    x = 31,082.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.