Home / 52,128.48-78,193.03-14,688.87

Finding the Fourth Proportional to 52,128.48, 78,193.03 and 14,688.87

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Solution

The fourth proportional to 52,128.48, 78,193.03 and 14,688.87 is: 22,033.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,128.48 : 78,193.03 = 14,688.87 : x
  2. Step 2: Convert to fraction form
    52,128.48/78,193.03 = 14,688.87/x
  3. Step 3: Cross multiply
    52,128.48x = 78,193.03 × 14,688.87
  4. Step 4: Simplify right side
    52,128.48x = 1,148,567,252.58
  5. Step 5: Solve for x
    x = 1,148,567,252.58/52,128.48
  6. Step 6: Final answer
    x = 22,033.39

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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.