Home / 50,458.21-69,631.45-29,239.45

Finding the Fourth Proportional to 50,458.21, 69,631.45 and 29,239.45

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Solution

The fourth proportional to 50,458.21, 69,631.45 and 29,239.45 is: 40,349.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,458.21 : 69,631.45 = 29,239.45 : x
  2. Step 2: Convert to fraction form
    50,458.21/69,631.45 = 29,239.45/x
  3. Step 3: Cross multiply
    50,458.21x = 69,631.45 × 29,239.45
  4. Step 4: Simplify right side
    50,458.21x = 2,035,985,300.70
  5. Step 5: Solve for x
    x = 2,035,985,300.70/50,458.21
  6. Step 6: Final answer
    x = 40,349.93

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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.