Home / 45,549.75-68,324.63-14,385

Finding the Fourth Proportional to 45,549.75, 68,324.63 and 14,385

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Solution

The fourth proportional to 45,549.75, 68,324.63 and 14,385 is: 21,577.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,549.75 : 68,324.63 = 14,385 : x
  2. Step 2: Convert to fraction form
    45,549.75/68,324.63 = 14,385/x
  3. Step 3: Cross multiply
    45,549.75x = 68,324.63 × 14,385
  4. Step 4: Simplify right side
    45,549.75x = 982,849,730.63
  5. Step 5: Solve for x
    x = 982,849,730.63/45,549.75
  6. Step 6: Final answer
    x = 21,577.50

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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.