Home / 39,770.02-59,633.73-21,002.59

Finding the Fourth Proportional to 39,770.02, 59,633.73 and 21,002.59

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Solution

The fourth proportional to 39,770.02, 59,633.73 and 21,002.59 is: 31,492.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,770.02 : 59,633.73 = 21,002.59 : x
  2. Step 2: Convert to fraction form
    39,770.02/59,633.73 = 21,002.59/x
  3. Step 3: Cross multiply
    39,770.02x = 59,633.73 × 21,002.59
  4. Step 4: Simplify right side
    39,770.02x = 1,252,462,781.36
  5. Step 5: Solve for x
    x = 1,252,462,781.36/39,770.02
  6. Step 6: Final answer
    x = 31,492.64

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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.