Home / 50,429.23-75,655.69-28,257.91

Finding the Fourth Proportional to 50,429.23, 75,655.69 and 28,257.91

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Solution

The fourth proportional to 50,429.23, 75,655.69 and 28,257.91 is: 42,393.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,429.23 : 75,655.69 = 28,257.91 : x
  2. Step 2: Convert to fraction form
    50,429.23/75,655.69 = 28,257.91/x
  3. Step 3: Cross multiply
    50,429.23x = 75,655.69 × 28,257.91
  4. Step 4: Simplify right side
    50,429.23x = 2,137,871,159.44
  5. Step 5: Solve for x
    x = 2,137,871,159.44/50,429.23
  6. Step 6: Final answer
    x = 42,393.50

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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.