Home / 38,838.13-53,598.57-21,847.72

Finding the Fourth Proportional to 38,838.13, 53,598.57 and 21,847.72

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Solution

The fourth proportional to 38,838.13, 53,598.57 and 21,847.72 is: 30,150.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,838.13 : 53,598.57 = 21,847.72 : x
  2. Step 2: Convert to fraction form
    38,838.13/53,598.57 = 21,847.72/x
  3. Step 3: Cross multiply
    38,838.13x = 53,598.57 × 21,847.72
  4. Step 4: Simplify right side
    38,838.13x = 1,171,006,549.76
  5. Step 5: Solve for x
    x = 1,171,006,549.76/38,838.13
  6. Step 6: Final answer
    x = 30,150.95

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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.