Home / 56,478.54-84,713.18-19,037.80

Finding the Fourth Proportional to 56,478.54, 84,713.18 and 19,037.80

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Solution

The fourth proportional to 56,478.54, 84,713.18 and 19,037.80 is: 28,555.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,478.54 : 84,713.18 = 19,037.80 : x
  2. Step 2: Convert to fraction form
    56,478.54/84,713.18 = 19,037.80/x
  3. Step 3: Cross multiply
    56,478.54x = 84,713.18 × 19,037.80
  4. Step 4: Simplify right side
    56,478.54x = 1,612,752,578.20
  5. Step 5: Solve for x
    x = 1,612,752,578.20/56,478.54
  6. Step 6: Final answer
    x = 28,555.14

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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.