Home / 56,559.20-78,051.69-31,408.70

Finding the Fourth Proportional to 56,559.20, 78,051.69 and 31,408.70

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Solution

The fourth proportional to 56,559.20, 78,051.69 and 31,408.70 is: 43,344.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,559.20 : 78,051.69 = 31,408.70 : x
  2. Step 2: Convert to fraction form
    56,559.20/78,051.69 = 31,408.70/x
  3. Step 3: Cross multiply
    56,559.20x = 78,051.69 × 31,408.70
  4. Step 4: Simplify right side
    56,559.20x = 2,451,501,725.44
  5. Step 5: Solve for x
    x = 2,451,501,725.44/56,559.20
  6. Step 6: Final answer
    x = 43,344.00

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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.