Home / 39,308.90-58,972.58-13,013.64

Finding the Fourth Proportional to 39,308.90, 58,972.58 and 13,013.64

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Solution

The fourth proportional to 39,308.90, 58,972.58 and 13,013.64 is: 19,523.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,308.90 : 58,972.58 = 13,013.64 : x
  2. Step 2: Convert to fraction form
    39,308.90/58,972.58 = 13,013.64/x
  3. Step 3: Cross multiply
    39,308.90x = 58,972.58 × 13,013.64
  4. Step 4: Simplify right side
    39,308.90x = 767,447,925.99
  5. Step 5: Solve for x
    x = 767,447,925.99/39,308.90
  6. Step 6: Final answer
    x = 19,523.52

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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.