Home / 32,670.21-45,078.02-21,356.36

Finding the Fourth Proportional to 32,670.21, 45,078.02 and 21,356.36

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Solution

The fourth proportional to 32,670.21, 45,078.02 and 21,356.36 is: 29,467.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,670.21 : 45,078.02 = 21,356.36 : x
  2. Step 2: Convert to fraction form
    32,670.21/45,078.02 = 21,356.36/x
  3. Step 3: Cross multiply
    32,670.21x = 45,078.02 × 21,356.36
  4. Step 4: Simplify right side
    32,670.21x = 962,702,423.21
  5. Step 5: Solve for x
    x = 962,702,423.21/32,670.21
  6. Step 6: Final answer
    x = 29,467.29

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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.