Home / 66,577.02-99,860.05-19,829.89

Finding the Fourth Proportional to 66,577.02, 99,860.05 and 19,829.89

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Solution

The fourth proportional to 66,577.02, 99,860.05 and 19,829.89 is: 29,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,577.02 : 99,860.05 = 19,829.89 : x
  2. Step 2: Convert to fraction form
    66,577.02/99,860.05 = 19,829.89/x
  3. Step 3: Cross multiply
    66,577.02x = 99,860.05 × 19,829.89
  4. Step 4: Simplify right side
    66,577.02x = 1,980,213,806.89
  5. Step 5: Solve for x
    x = 1,980,213,806.89/66,577.02
  6. Step 6: Final answer
    x = 29,743.20

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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.