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Finding the Fourth Proportional to 35,545.18, 49,051 and 19,411.95

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Solution

The fourth proportional to 35,545.18, 49,051 and 19,411.95 is: 26,787.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,545.18 : 49,051 = 19,411.95 : x
  2. Step 2: Convert to fraction form
    35,545.18/49,051 = 19,411.95/x
  3. Step 3: Cross multiply
    35,545.18x = 49,051 × 19,411.95
  4. Step 4: Simplify right side
    35,545.18x = 952,175,559.45
  5. Step 5: Solve for x
    x = 952,175,559.45/35,545.18
  6. Step 6: Final answer
    x = 26,787.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.