Home / 39,158.78-58,737.90-9,577.04

Finding the Fourth Proportional to 39,158.78, 58,737.90 and 9,577.04

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Solution

The fourth proportional to 39,158.78, 58,737.90 and 9,577.04 is: 14,365.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,158.78 : 58,737.90 = 9,577.04 : x
  2. Step 2: Convert to fraction form
    39,158.78/58,737.90 = 9,577.04/x
  3. Step 3: Cross multiply
    39,158.78x = 58,737.90 × 9,577.04
  4. Step 4: Simplify right side
    39,158.78x = 562,535,217.82
  5. Step 5: Solve for x
    x = 562,535,217.82/39,158.78
  6. Step 6: Final answer
    x = 14,365.49

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1.5x scale

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.