Home / 48,758.71-73,123.57-20,678.35

Finding the Fourth Proportional to 48,758.71, 73,123.57 and 20,678.35

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Solution

The fourth proportional to 48,758.71, 73,123.57 and 20,678.35 is: 31,011.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,758.71 : 73,123.57 = 20,678.35 : x
  2. Step 2: Convert to fraction form
    48,758.71/73,123.57 = 20,678.35/x
  3. Step 3: Cross multiply
    48,758.71x = 73,123.57 × 20,678.35
  4. Step 4: Simplify right side
    48,758.71x = 1,512,074,773.71
  5. Step 5: Solve for x
    x = 1,512,074,773.71/48,758.71
  6. Step 6: Final answer
    x = 31,011.38

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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.