Home / 55,339.61-76,368.89-30,189.65

Finding the Fourth Proportional to 55,339.61, 76,368.89 and 30,189.65

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Solution

The fourth proportional to 55,339.61, 76,368.89 and 30,189.65 is: 41,661.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,339.61 : 76,368.89 = 30,189.65 : x
  2. Step 2: Convert to fraction form
    55,339.61/76,368.89 = 30,189.65/x
  3. Step 3: Cross multiply
    55,339.61x = 76,368.89 × 30,189.65
  4. Step 4: Simplify right side
    55,339.61x = 2,305,549,753.62
  5. Step 5: Solve for x
    x = 2,305,549,753.62/55,339.61
  6. Step 6: Final answer
    x = 41,661.84

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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.