Home / 56,350.20-77,771.70-35,136.30

Finding the Fourth Proportional to 56,350.20, 77,771.70 and 35,136.30

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Solution

The fourth proportional to 56,350.20, 77,771.70 and 35,136.30 is: 48,493.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,350.20 : 77,771.70 = 35,136.30 : x
  2. Step 2: Convert to fraction form
    56,350.20/77,771.70 = 35,136.30/x
  3. Step 3: Cross multiply
    56,350.20x = 77,771.70 × 35,136.30
  4. Step 4: Simplify right side
    56,350.20x = 2,732,609,782.71
  5. Step 5: Solve for x
    x = 2,732,609,782.71/56,350.20
  6. Step 6: Final answer
    x = 48,493.35

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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.