Home / 56,477.54-84,711.68-19,036.80

Finding the Fourth Proportional to 56,477.54, 84,711.68 and 19,036.80

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Solution

The fourth proportional to 56,477.54, 84,711.68 and 19,036.80 is: 28,553.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,477.54 : 84,711.68 = 19,036.80 : x
  2. Step 2: Convert to fraction form
    56,477.54/84,711.68 = 19,036.80/x
  3. Step 3: Cross multiply
    56,477.54x = 84,711.68 × 19,036.80
  4. Step 4: Simplify right side
    56,477.54x = 1,612,639,309.82
  5. Step 5: Solve for x
    x = 1,612,639,309.82/56,477.54
  6. Step 6: Final answer
    x = 28,553.64

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1.5x scale

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.