Home / 66,369.04-99,563.32-19,615.84

Finding the Fourth Proportional to 66,369.04, 99,563.32 and 19,615.84

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Solution

The fourth proportional to 66,369.04, 99,563.32 and 19,615.84 is: 29,426.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,369.04 : 99,563.32 = 19,615.84 : x
  2. Step 2: Convert to fraction form
    66,369.04/99,563.32 = 19,615.84/x
  3. Step 3: Cross multiply
    66,369.04x = 99,563.32 × 19,615.84
  4. Step 4: Simplify right side
    66,369.04x = 1,953,018,154.99
  5. Step 5: Solve for x
    x = 1,953,018,154.99/66,369.04
  6. Step 6: Final answer
    x = 29,426.64

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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.