Home / 56,029.53-77,323.64-30,879.03

Finding the Fourth Proportional to 56,029.53, 77,323.64 and 30,879.03

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Solution

The fourth proportional to 56,029.53, 77,323.64 and 30,879.03 is: 42,614.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,029.53 : 77,323.64 = 30,879.03 : x
  2. Step 2: Convert to fraction form
    56,029.53/77,323.64 = 30,879.03/x
  3. Step 3: Cross multiply
    56,029.53x = 77,323.64 × 30,879.03
  4. Step 4: Simplify right side
    56,029.53x = 2,387,678,844.87
  5. Step 5: Solve for x
    x = 2,387,678,844.87/56,029.53
  6. Step 6: Final answer
    x = 42,614.65

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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.