Home / 38,528.58-53,166.87-21,760.50

Finding the Fourth Proportional to 38,528.58, 53,166.87 and 21,760.50

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Solution

The fourth proportional to 38,528.58, 53,166.87 and 21,760.50 is: 30,028.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,528.58 : 53,166.87 = 21,760.50 : x
  2. Step 2: Convert to fraction form
    38,528.58/53,166.87 = 21,760.50/x
  3. Step 3: Cross multiply
    38,528.58x = 53,166.87 × 21,760.50
  4. Step 4: Simplify right side
    38,528.58x = 1,156,937,674.64
  5. Step 5: Solve for x
    x = 1,156,937,674.64/38,528.58
  6. Step 6: Final answer
    x = 30,028.04

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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.