Home / 55,306.95-76,329.45-33,809.28

Finding the Fourth Proportional to 55,306.95, 76,329.45 and 33,809.28

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Solution

The fourth proportional to 55,306.95, 76,329.45 and 33,809.28 is: 46,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,306.95 : 76,329.45 = 33,809.28 : x
  2. Step 2: Convert to fraction form
    55,306.95/76,329.45 = 33,809.28/x
  3. Step 3: Cross multiply
    55,306.95x = 76,329.45 × 33,809.28
  4. Step 4: Simplify right side
    55,306.95x = 2,580,643,890.41
  5. Step 5: Solve for x
    x = 2,580,643,890.41/55,306.95
  6. Step 6: Final answer
    x = 46,660.39

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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.