Home / 50,774.16-76,119.72-21,214.08

Finding the Fourth Proportional to 50,774.16, 76,119.72 and 21,214.08

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Solution

The fourth proportional to 50,774.16, 76,119.72 and 21,214.08 is: 31,803.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,774.16 : 76,119.72 = 21,214.08 : x
  2. Step 2: Convert to fraction form
    50,774.16/76,119.72 = 21,214.08/x
  3. Step 3: Cross multiply
    50,774.16x = 76,119.72 × 21,214.08
  4. Step 4: Simplify right side
    50,774.16x = 1,614,809,829.66
  5. Step 5: Solve for x
    x = 1,614,809,829.66/50,774.16
  6. Step 6: Final answer
    x = 31,803.77

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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.