Home / 45,146.84-67,712.54-13,548.33

Finding the Fourth Proportional to 45,146.84, 67,712.54 and 13,548.33

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Solution

The fourth proportional to 45,146.84, 67,712.54 and 13,548.33 is: 20,320.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,146.84 : 67,712.54 = 13,548.33 : x
  2. Step 2: Convert to fraction form
    45,146.84/67,712.54 = 13,548.33/x
  3. Step 3: Cross multiply
    45,146.84x = 67,712.54 × 13,548.33
  4. Step 4: Simplify right side
    45,146.84x = 917,391,769.32
  5. Step 5: Solve for x
    x = 917,391,769.32/45,146.84
  6. Step 6: Final answer
    x = 20,320.18

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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.