Home / 56,861.20-78,488.04-34,212.88

Finding the Fourth Proportional to 56,861.20, 78,488.04 and 34,212.88

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Solution

The fourth proportional to 56,861.20, 78,488.04 and 34,212.88 is: 47,225.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,861.20 : 78,488.04 = 34,212.88 : x
  2. Step 2: Convert to fraction form
    56,861.20/78,488.04 = 34,212.88/x
  3. Step 3: Cross multiply
    56,861.20x = 78,488.04 × 34,212.88
  4. Step 4: Simplify right side
    56,861.20x = 2,685,301,893.96
  5. Step 5: Solve for x
    x = 2,685,301,893.96/56,861.20
  6. Step 6: Final answer
    x = 47,225.56

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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.