Home / 39,084.88-58,630-19,358.08

Finding the Fourth Proportional to 39,084.88, 58,630 and 19,358.08

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Solution

The fourth proportional to 39,084.88, 58,630 and 19,358.08 is: 29,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,084.88 : 58,630 = 19,358.08 : x
  2. Step 2: Convert to fraction form
    39,084.88/58,630 = 19,358.08/x
  3. Step 3: Cross multiply
    39,084.88x = 58,630 × 19,358.08
  4. Step 4: Simplify right side
    39,084.88x = 1,134,964,230.40
  5. Step 5: Solve for x
    x = 1,134,964,230.40/39,084.88
  6. Step 6: Final answer
    x = 29,038.45

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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.