Home / 38,653.05-53,351.70-22,742.63

Finding the Fourth Proportional to 38,653.05, 53,351.70 and 22,742.63

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Solution

The fourth proportional to 38,653.05, 53,351.70 and 22,742.63 is: 31,391.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,653.05 : 53,351.70 = 22,742.63 : x
  2. Step 2: Convert to fraction form
    38,653.05/53,351.70 = 22,742.63/x
  3. Step 3: Cross multiply
    38,653.05x = 53,351.70 × 22,742.63
  4. Step 4: Simplify right side
    38,653.05x = 1,213,357,706.21
  5. Step 5: Solve for x
    x = 1,213,357,706.21/38,653.05
  6. Step 6: Final answer
    x = 31,391.00

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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.