Home / 56,084.12-77,395.08-30,590.68

Finding the Fourth Proportional to 56,084.12, 77,395.08 and 30,590.68

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Solution

The fourth proportional to 56,084.12, 77,395.08 and 30,590.68 is: 42,214.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,084.12 : 77,395.08 = 30,590.68 : x
  2. Step 2: Convert to fraction form
    56,084.12/77,395.08 = 30,590.68/x
  3. Step 3: Cross multiply
    56,084.12x = 77,395.08 × 30,590.68
  4. Step 4: Simplify right side
    56,084.12x = 2,367,568,125.85
  5. Step 5: Solve for x
    x = 2,367,568,125.85/56,084.12
  6. Step 6: Final answer
    x = 42,214.59

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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.