Home / 47,929.87-66,143.49-27,798.69

Finding the Fourth Proportional to 47,929.87, 66,143.49 and 27,798.69

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Solution

The fourth proportional to 47,929.87, 66,143.49 and 27,798.69 is: 38,362.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,929.87 : 66,143.49 = 27,798.69 : x
  2. Step 2: Convert to fraction form
    47,929.87/66,143.49 = 27,798.69/x
  3. Step 3: Cross multiply
    47,929.87x = 66,143.49 × 27,798.69
  4. Step 4: Simplify right side
    47,929.87x = 1,838,702,374.03
  5. Step 5: Solve for x
    x = 1,838,702,374.03/47,929.87
  6. Step 6: Final answer
    x = 38,362.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.