Home / 45,874.16-68,767.40-14,688.08

Finding the Fourth Proportional to 45,874.16, 68,767.40 and 14,688.08

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Solution

The fourth proportional to 45,874.16, 68,767.40 and 14,688.08 is: 22,018.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,874.16 : 68,767.40 = 14,688.08 : x
  2. Step 2: Convert to fraction form
    45,874.16/68,767.40 = 14,688.08/x
  3. Step 3: Cross multiply
    45,874.16x = 68,767.40 × 14,688.08
  4. Step 4: Simplify right side
    45,874.16x = 1,010,061,072.59
  5. Step 5: Solve for x
    x = 1,010,061,072.59/45,874.16
  6. Step 6: Final answer
    x = 22,018.08

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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.