Home / 38,972.32-53,782.14-22,206.40

Finding the Fourth Proportional to 38,972.32, 53,782.14 and 22,206.40

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Solution

The fourth proportional to 38,972.32, 53,782.14 and 22,206.40 is: 30,645.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,972.32 : 53,782.14 = 22,206.40 : x
  2. Step 2: Convert to fraction form
    38,972.32/53,782.14 = 22,206.40/x
  3. Step 3: Cross multiply
    38,972.32x = 53,782.14 × 22,206.40
  4. Step 4: Simplify right side
    38,972.32x = 1,194,307,713.70
  5. Step 5: Solve for x
    x = 1,194,307,713.70/38,972.32
  6. Step 6: Final answer
    x = 30,645.02

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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.