Home / 40,661.90-60,962.72-19,304.05

Finding the Fourth Proportional to 40,661.90, 60,962.72 and 19,304.05

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Solution

The fourth proportional to 40,661.90, 60,962.72 and 19,304.05 is: 28,941.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,661.90 : 60,962.72 = 19,304.05 : x
  2. Step 2: Convert to fraction form
    40,661.90/60,962.72 = 19,304.05/x
  3. Step 3: Cross multiply
    40,661.90x = 60,962.72 × 19,304.05
  4. Step 4: Simplify right side
    40,661.90x = 1,176,827,090.20
  5. Step 5: Solve for x
    x = 1,176,827,090.20/40,661.90
  6. Step 6: Final answer
    x = 28,941.76

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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.