Home / 50,639.83-69,868.74-29,128.45

Finding the Fourth Proportional to 50,639.83, 69,868.74 and 29,128.45

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Solution

The fourth proportional to 50,639.83, 69,868.74 and 29,128.45 is: 40,189.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,639.83 : 69,868.74 = 29,128.45 : x
  2. Step 2: Convert to fraction form
    50,639.83/69,868.74 = 29,128.45/x
  3. Step 3: Cross multiply
    50,639.83x = 69,868.74 × 29,128.45
  4. Step 4: Simplify right side
    50,639.83x = 2,035,167,750.31
  5. Step 5: Solve for x
    x = 2,035,167,750.31/50,639.83
  6. Step 6: Final answer
    x = 40,189.08

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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.