Home / 56,796.34-78,378.94-31,302.70

Finding the Fourth Proportional to 56,796.34, 78,378.94 and 31,302.70

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Solution

The fourth proportional to 56,796.34, 78,378.94 and 31,302.70 is: 43,197.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,796.34 : 78,378.94 = 31,302.70 : x
  2. Step 2: Convert to fraction form
    56,796.34/78,378.94 = 31,302.70/x
  3. Step 3: Cross multiply
    56,796.34x = 78,378.94 × 31,302.70
  4. Step 4: Simplify right side
    56,796.34x = 2,453,472,445.14
  5. Step 5: Solve for x
    x = 2,453,472,445.14/56,796.34
  6. Step 6: Final answer
    x = 43,197.72

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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.