Home / 66,506.14-99,737.08-21,516.81

Finding the Fourth Proportional to 66,506.14, 99,737.08 and 21,516.81

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Solution

The fourth proportional to 66,506.14, 99,737.08 and 21,516.81 is: 32,268.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,506.14 : 99,737.08 = 21,516.81 : x
  2. Step 2: Convert to fraction form
    66,506.14/99,737.08 = 21,516.81/x
  3. Step 3: Cross multiply
    66,506.14x = 99,737.08 × 21,516.81
  4. Step 4: Simplify right side
    66,506.14x = 2,146,023,692.73
  5. Step 5: Solve for x
    x = 2,146,023,692.73/66,506.14
  6. Step 6: Final answer
    x = 32,268.05

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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.