Home / 39,001.42-58,508.21-12,700.05

Finding the Fourth Proportional to 39,001.42, 58,508.21 and 12,700.05

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Solution

The fourth proportional to 39,001.42, 58,508.21 and 12,700.05 is: 19,052.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,001.42 : 58,508.21 = 12,700.05 : x
  2. Step 2: Convert to fraction form
    39,001.42/58,508.21 = 12,700.05/x
  3. Step 3: Cross multiply
    39,001.42x = 58,508.21 × 12,700.05
  4. Step 4: Simplify right side
    39,001.42x = 743,057,192.41
  5. Step 5: Solve for x
    x = 743,057,192.41/39,001.42
  6. Step 6: Final answer
    x = 19,052.05

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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.