Home / 56,514.42-77,993.64-31,363.92

Finding the Fourth Proportional to 56,514.42, 77,993.64 and 31,363.92

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Solution

The fourth proportional to 56,514.42, 77,993.64 and 31,363.92 is: 43,284.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,514.42 : 77,993.64 = 31,363.92 : x
  2. Step 2: Convert to fraction form
    56,514.42/77,993.64 = 31,363.92/x
  3. Step 3: Cross multiply
    56,514.42x = 77,993.64 × 31,363.92
  4. Step 4: Simplify right side
    56,514.42x = 2,446,186,285.47
  5. Step 5: Solve for x
    x = 2,446,186,285.47/56,514.42
  6. Step 6: Final answer
    x = 43,284.29

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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.