Home / 55,328.15-76,359.71-33,813.47

Finding the Fourth Proportional to 55,328.15, 76,359.71 and 33,813.47

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Solution

The fourth proportional to 55,328.15, 76,359.71 and 33,813.47 is: 46,666.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,328.15 : 76,359.71 = 33,813.47 : x
  2. Step 2: Convert to fraction form
    55,328.15/76,359.71 = 33,813.47/x
  3. Step 3: Cross multiply
    55,328.15x = 76,359.71 × 33,813.47
  4. Step 4: Simplify right side
    55,328.15x = 2,581,986,763.29
  5. Step 5: Solve for x
    x = 2,581,986,763.29/55,328.15
  6. Step 6: Final answer
    x = 46,666.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.