Home / 38,988.48-58,488.84-16,808.12

Finding the Fourth Proportional to 38,988.48, 58,488.84 and 16,808.12

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Solution

The fourth proportional to 38,988.48, 58,488.84 and 16,808.12 is: 25,214.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,988.48 : 58,488.84 = 16,808.12 : x
  2. Step 2: Convert to fraction form
    38,988.48/58,488.84 = 16,808.12/x
  3. Step 3: Cross multiply
    38,988.48x = 58,488.84 × 16,808.12
  4. Step 4: Simplify right side
    38,988.48x = 983,087,441.38
  5. Step 5: Solve for x
    x = 983,087,441.38/38,988.48
  6. Step 6: Final answer
    x = 25,214.82

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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.