Home / 60,782.12-91,213.89-21,339.32

Finding the Fourth Proportional to 60,782.12, 91,213.89 and 21,339.32

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Solution

The fourth proportional to 60,782.12, 91,213.89 and 21,339.32 is: 32,023.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,782.12 : 91,213.89 = 21,339.32 : x
  2. Step 2: Convert to fraction form
    60,782.12/91,213.89 = 21,339.32/x
  3. Step 3: Cross multiply
    60,782.12x = 91,213.89 × 21,339.32
  4. Step 4: Simplify right side
    60,782.12x = 1,946,442,387.15
  5. Step 5: Solve for x
    x = 1,946,442,387.15/60,782.12
  6. Step 6: Final answer
    x = 32,023.27

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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.