Home / 38,338.26-52,903.17-21,570.18

Finding the Fourth Proportional to 38,338.26, 52,903.17 and 21,570.18

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Solution

The fourth proportional to 38,338.26, 52,903.17 and 21,570.18 is: 29,764.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,338.26 : 52,903.17 = 21,570.18 : x
  2. Step 2: Convert to fraction form
    38,338.26/52,903.17 = 21,570.18/x
  3. Step 3: Cross multiply
    38,338.26x = 52,903.17 × 21,570.18
  4. Step 4: Simplify right side
    38,338.26x = 1,141,130,899.47
  5. Step 5: Solve for x
    x = 1,141,130,899.47/38,338.26
  6. Step 6: Final answer
    x = 29,764.81

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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.