Home / 80,810.42-121,215.73-24,647.56

Finding the Fourth Proportional to 80,810.42, 121,215.73 and 24,647.56

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Solution

The fourth proportional to 80,810.42, 121,215.73 and 24,647.56 is: 36,971.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,810.42 : 121,215.73 = 24,647.56 : x
  2. Step 2: Convert to fraction form
    80,810.42/121,215.73 = 24,647.56/x
  3. Step 3: Cross multiply
    80,810.42x = 121,215.73 × 24,647.56
  4. Step 4: Simplify right side
    80,810.42x = 2,987,671,613.46
  5. Step 5: Solve for x
    x = 2,987,671,613.46/80,810.42
  6. Step 6: Final answer
    x = 36,971.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.