Home / 38,972.72-58,485.08-14,348.72

Finding the Fourth Proportional to 38,972.72, 58,485.08 and 14,348.72

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Solution

The fourth proportional to 38,972.72, 58,485.08 and 14,348.72 is: 21,532.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,972.72 : 58,485.08 = 14,348.72 : x
  2. Step 2: Convert to fraction form
    38,972.72/58,485.08 = 14,348.72/x
  3. Step 3: Cross multiply
    38,972.72x = 58,485.08 × 14,348.72
  4. Step 4: Simplify right side
    38,972.72x = 839,186,037.10
  5. Step 5: Solve for x
    x = 839,186,037.10/38,972.72
  6. Step 6: Final answer
    x = 21,532.65

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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.