Home / 38,031.38-52,478.74-21,033.32

Finding the Fourth Proportional to 38,031.38, 52,478.74 and 21,033.32

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Solution

The fourth proportional to 38,031.38, 52,478.74 and 21,033.32 is: 29,023.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,031.38 : 52,478.74 = 21,033.32 : x
  2. Step 2: Convert to fraction form
    38,031.38/52,478.74 = 21,033.32/x
  3. Step 3: Cross multiply
    38,031.38x = 52,478.74 × 21,033.32
  4. Step 4: Simplify right side
    38,031.38x = 1,103,802,131.62
  5. Step 5: Solve for x
    x = 1,103,802,131.62/38,031.38
  6. Step 6: Final answer
    x = 29,023.46

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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.