Home / 39,030.12-58,545.90-14,072.04

Finding the Fourth Proportional to 39,030.12, 58,545.90 and 14,072.04

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Solution

The fourth proportional to 39,030.12, 58,545.90 and 14,072.04 is: 21,108.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,030.12 : 58,545.90 = 14,072.04 : x
  2. Step 2: Convert to fraction form
    39,030.12/58,545.90 = 14,072.04/x
  3. Step 3: Cross multiply
    39,030.12x = 58,545.90 × 14,072.04
  4. Step 4: Simplify right side
    39,030.12x = 823,860,246.64
  5. Step 5: Solve for x
    x = 823,860,246.64/39,030.12
  6. Step 6: Final answer
    x = 21,108.32

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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.