Home / 56,447.35-77,896.89-31,296.85

Finding the Fourth Proportional to 56,447.35, 77,896.89 and 31,296.85

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Solution

The fourth proportional to 56,447.35, 77,896.89 and 31,296.85 is: 43,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,447.35 : 77,896.89 = 31,296.85 : x
  2. Step 2: Convert to fraction form
    56,447.35/77,896.89 = 31,296.85/x
  3. Step 3: Cross multiply
    56,447.35x = 77,896.89 × 31,296.85
  4. Step 4: Simplify right side
    56,447.35x = 2,437,927,281.80
  5. Step 5: Solve for x
    x = 2,437,927,281.80/56,447.35
  6. Step 6: Final answer
    x = 43,189.40

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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.