Home / 39,153.78-58,730.40-9,572.04

Finding the Fourth Proportional to 39,153.78, 58,730.40 and 9,572.04

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Solution

The fourth proportional to 39,153.78, 58,730.40 and 9,572.04 is: 14,357.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,153.78 : 58,730.40 = 9,572.04 : x
  2. Step 2: Convert to fraction form
    39,153.78/58,730.40 = 9,572.04/x
  3. Step 3: Cross multiply
    39,153.78x = 58,730.40 × 9,572.04
  4. Step 4: Simplify right side
    39,153.78x = 562,169,738.02
  5. Step 5: Solve for x
    x = 562,169,738.02/39,153.78
  6. Step 6: Final answer
    x = 14,357.99

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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.