Home / 45,901.17-68,848.40-12,618.68

Finding the Fourth Proportional to 45,901.17, 68,848.40 and 12,618.68

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Solution

The fourth proportional to 45,901.17, 68,848.40 and 12,618.68 is: 18,927.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,901.17 : 68,848.40 = 12,618.68 : x
  2. Step 2: Convert to fraction form
    45,901.17/68,848.40 = 12,618.68/x
  3. Step 3: Cross multiply
    45,901.17x = 68,848.40 × 12,618.68
  4. Step 4: Simplify right side
    45,901.17x = 868,775,520.78
  5. Step 5: Solve for x
    x = 868,775,520.78/45,901.17
  6. Step 6: Final answer
    x = 18,927.09

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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.