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Finding the Fourth Proportional to 45,886.92, 68,823.90 and 14,718.12

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Solution

The fourth proportional to 45,886.92, 68,823.90 and 14,718.12 is: 22,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,886.92 : 68,823.90 = 14,718.12 : x
  2. Step 2: Convert to fraction form
    45,886.92/68,823.90 = 14,718.12/x
  3. Step 3: Cross multiply
    45,886.92x = 68,823.90 × 14,718.12
  4. Step 4: Simplify right side
    45,886.92x = 1,012,958,419.07
  5. Step 5: Solve for x
    x = 1,012,958,419.07/45,886.92
  6. Step 6: Final answer
    x = 22,075.10

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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.