Home / 38,818.05-53,574.57-21,823.70

Finding the Fourth Proportional to 38,818.05, 53,574.57 and 21,823.70

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Solution

The fourth proportional to 38,818.05, 53,574.57 and 21,823.70 is: 30,119.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,818.05 : 53,574.57 = 21,823.70 : x
  2. Step 2: Convert to fraction form
    38,818.05/53,574.57 = 21,823.70/x
  3. Step 3: Cross multiply
    38,818.05x = 53,574.57 × 21,823.70
  4. Step 4: Simplify right side
    38,818.05x = 1,169,195,075.44
  5. Step 5: Solve for x
    x = 1,169,195,075.44/38,818.05
  6. Step 6: Final answer
    x = 30,119.88

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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.