Home / 48,320.78-72,477.93-13,257.50

Finding the Fourth Proportional to 48,320.78, 72,477.93 and 13,257.50

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Solution

The fourth proportional to 48,320.78, 72,477.93 and 13,257.50 is: 19,885.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,320.78 : 72,477.93 = 13,257.50 : x
  2. Step 2: Convert to fraction form
    48,320.78/72,477.93 = 13,257.50/x
  3. Step 3: Cross multiply
    48,320.78x = 72,477.93 × 13,257.50
  4. Step 4: Simplify right side
    48,320.78x = 960,876,156.98
  5. Step 5: Solve for x
    x = 960,876,156.98/48,320.78
  6. Step 6: Final answer
    x = 19,885.36

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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.