Home / 56,389.60-84,584.40-16,949.80

Finding the Fourth Proportional to 56,389.60, 84,584.40 and 16,949.80

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Solution

The fourth proportional to 56,389.60, 84,584.40 and 16,949.80 is: 25,424.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,389.60 : 84,584.40 = 16,949.80 : x
  2. Step 2: Convert to fraction form
    56,389.60/84,584.40 = 16,949.80/x
  3. Step 3: Cross multiply
    56,389.60x = 84,584.40 × 16,949.80
  4. Step 4: Simplify right side
    56,389.60x = 1,433,688,663.12
  5. Step 5: Solve for x
    x = 1,433,688,663.12/56,389.60
  6. Step 6: Final answer
    x = 25,424.70

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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.