Home / 42,381.12-63,583.72-34,557.64

Finding the Fourth Proportional to 42,381.12, 63,583.72 and 34,557.64

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Solution

The fourth proportional to 42,381.12, 63,583.72 and 34,557.64 is: 51,846.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,381.12 : 63,583.72 = 34,557.64 : x
  2. Step 2: Convert to fraction form
    42,381.12/63,583.72 = 34,557.64/x
  3. Step 3: Cross multiply
    42,381.12x = 63,583.72 × 34,557.64
  4. Step 4: Simplify right side
    42,381.12x = 2,197,303,060.27
  5. Step 5: Solve for x
    x = 2,197,303,060.27/42,381.12
  6. Step 6: Final answer
    x = 51,846.27

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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.