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Finding the Fourth Proportional to 39,095.87, 58,643.87 and 9,513.72

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Solution

The fourth proportional to 39,095.87, 58,643.87 and 9,513.72 is: 14,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,095.87 : 58,643.87 = 9,513.72 : x
  2. Step 2: Convert to fraction form
    39,095.87/58,643.87 = 9,513.72/x
  3. Step 3: Cross multiply
    39,095.87x = 58,643.87 × 9,513.72
  4. Step 4: Simplify right side
    39,095.87x = 557,921,311.33
  5. Step 5: Solve for x
    x = 557,921,311.33/39,095.87
  6. Step 6: Final answer
    x = 14,270.60

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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.