Home / 50,312.58-69,358.20-35,158.21

Finding the Fourth Proportional to 50,312.58, 69,358.20 and 35,158.21

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Solution

The fourth proportional to 50,312.58, 69,358.20 and 35,158.21 is: 48,467.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,312.58 : 69,358.20 = 35,158.21 : x
  2. Step 2: Convert to fraction form
    50,312.58/69,358.20 = 35,158.21/x
  3. Step 3: Cross multiply
    50,312.58x = 69,358.20 × 35,158.21
  4. Step 4: Simplify right side
    50,312.58x = 2,438,510,379.36
  5. Step 5: Solve for x
    x = 2,438,510,379.36/50,312.58
  6. Step 6: Final answer
    x = 48,467.21

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Double scale
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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.